Adamu DB, Tesfaye M, Teshome, G, Temesgen A, Tamado T (2019). Determination of Pesticide Residue in Water and Khat (Catha edulis) Leaves Using GC-ECD. Chemistry and Materials Research 11(3):16-21.

Awell Y, Yerra R, Tadele E, Getu K, Dagim A, Hailekiros G, Tesfamichae G, Yasodha KJ (2016). Socio-Economic and Health Effects of Khat Chewing in Mekelle, Tigray Region, Ethiopia. International Journal of Pharmacy and Pharmaceutical Research 8(1):11-22.

Azeem M, Zaman T, Tahir M, Haris A, Iqbal Z, Binyameen M, Nazir A, Shad SA, Majeed S, Mozüraitis R (2019). Chemical composition and repellent activity of native plants essential oils against dengue mosquito, Aedes aegypti. Industrial Crop and Products 140:1(11609):1-7.
Crossref

Belay TM, Arthur PJ, Mol PO (2017). Pesticide use practices among smallholder vegetable farmers in Ethiopian Central Rift Valley. Environmental Development and Sustainability 19:301-324.
Crossref

Beyene WA, Brimer L, Dalsgaard A, Belachew T (2020). Chemical and microbiological hazards of Khat (Catha edulis) from field to chewing in Ethiopia. GSC Biological and Pharmaceutical Sciences 11(1):24-35.
Crossref

Carvalho FP (2017). Pesticides, environment, and food safety, John Wiley & Sons Ltd. and the Association of Applied Biologists.

Chitwan N, Abhinav V, Deepak G, Sundar T, Badri RP, Erik J ( 2017). Changes in Perceptions and Practices of Farmers and Pesticide Retailers on Safer Pesticide Use and Alternatives: Impacts of a Community Intervention in Chitwan, Nepal, Environmental Health Insights 11: 1-12.
Crossref

Cochrane LO, Regan D (2016). Legal harvest and illegal trade: Trends, challenges, and options in khat production in Ethiopia. International Journal of Drug Policy 30:27-34.
Crossref

Damalas CA, Koutroubas SD (2016). Farmers' exposure to pesticides: Toxicity types and ways of prevention. Toxics 4:1-10.
Crossref

Derso AG, Dagnew GG (2019). Exposure and Health Risk Assessment of Farmers to DDT during Khat Production in Chiro Woreda, West Hararghe Zone Ethiopia. World Journal of Agricultural Research 7(1):29-35.

Esteban FD, Aly V, Adolfo M (2020). Natural Organic Compounds for Application in Organic Farming: Review. Agriculture 10(41): 1-22.
Crossref

FAO and WHO (2020). Guidelines for personal protection when handling and applying pesticide - International Code of Conduct on Pesticide Management. Rome.

Fernando PC (2017). Pesticides, environment, and food safety, Food and Energy Security published by John Wiley & Sons Ltd. and the Association of Applied Biologists.

Fróna D, Szenderák J, Harangi-Rákos M (2019). The Challenge of Feeding the World. Sustainability 11(5816):1-18.
Crossref

Gesesew HA, Woldemichael K, Massa D, Mwanri L (2016). Farmers Knowledge, Attitudes, Practices and Health Problems Associated with Pesticide Use in Rural Irrigation Villages, Southwest Ethiopia. PLoS ONE 11(9):e0162527.
Crossref

Regassa G, Regassa C (2018). Assessment of pesticides handling practices and health and environmental impacts on Khat growing farmers: in Haromaya Woreda, Eastern Ethiopia, International Journal of Advanced Engineering Research and Science 5(12):252-263.
Crossref

Hurni H, Berhe WA, Chadhokar P, Daniel D, Gete Z, Grunder M, Kassaye G (2016). Soil and Water Conservation in Ethiopia: Guidelines for Development Agents. Second revised edition. Bern, Switzerland: Centre for Development and Environment (CDE). University of Bern, with Bern Open Publishing (BOP) P 134.

Jallow M, Awadh DG, Albaho MS, Devi VY, Ahmad N (2017). Monitoring of pesticide residues in commonly used fruits and vegetables in Kuwait. International Journal of Environmental Research and Public Health 14(8):833.
Crossref

Kosamu I, Kaonga C, Utembe WA (2020). Critical Review of the Status of Pesticide Exposure. International Journal of Environmental Research and Public Health 17(6727):1-13.
Crossref

Mekuria W (2018). Public discourse on Khat (Catha edulis) production in Ethiopia: Review. Journal of Agricultural Extension and Rural Development 10(10):192-200.
Crossref

Mequanint C, Getachew B, Mindaye Y, Amare D E, Guadu T, and Dagne H (2019). Practice towards pesticide handling, storage and its associated factors among farmers working in irrigations in Gondar town, Ethiopia. BMC Research Notes 12(709):1-6.
Crossref

Mormeta BN (2019). Assessment of pesticide hazard related knowledge and practices of agricultural extension workers in selected small-scale horticulture production areas in Ethiopia. Journal of Agriculture and Environment for International. Development 113(1):5-15.

Mustapha FAJ, Dawood GA, Mohammed SA, Vimala YD, Binson MT (2017). Pesticide Knowledge and Safety Practices among Farm Workers in Kuwait: Results of a Survey International Journal of Environmental Research and Public Health 14(340):1-15.
Crossref

Mubushar M, Aldosari FO, Baig MB, Alotaib BM, Khan AQ (2019). Assessment of farmers on their knowledge regarding pesticide usage and biosafety. Saudi Journal of Biological Sciences 26:1903-1910.
Crossref

Ndayambaje B, Amuguni H, Cofin-Schmitt J, Sibo N, Ntawubiz M, VanWormer E (2019). Pesticide Application Practices and Knowledge among Small-Scale Local Rice Growers and Communities in Rwanda: A Cross-Sectional Study. International Journal of Environmental Research and Public Health 16:4770.
Crossref

Okoffo ED, Mensah M, Fosu-Mensah BY (2016). Pesticides exposure and the use of personal protective equipment by cocoa farmers in Ghana. Environmental Systems Research 5(1):17.
Crossref

OECD/FAO (2016). Agriculture in Sub-Saharan Africa: Prospects and challenges for the next decade, in OECD-FAO Agricultural Outlook 2016-2025, OECD Publishing, Paris.

Philbert A, Lyantagaye SL, Nkwengulila G (2019). Farmers' pesticide usage practices in the malaria endemic region of North-Western Tanzania: implications to the control of malaria vectors. BMC Public Health 19:1456.
Crossref

United Nations, Department of Economic and Social Affairs (UN). Population Division (2017). World Population Prospects: The 2017 Revision, key findings and advance tables working paper No.ESA/P/WP/248.