Abuali AI, Abdelmulla AA, Khalafalla MM, Idris AE, Osman AM (2012). Combining ability and heterosis for yield and yield components in maize (Zea mays L.). Australian Journal of Basic and Applied Sciences 6(10):36-41.

Amanullah SJ, Mansoor M, Khan MA (2011). Heterosis studies in diallel crosses of maize. Sarhad Journal of Agriculture 27(2):207-211.

Bayisa A (2004). Heterosis and combining ability of transitional highland maize (Zea mays L.). MSc Thesis, Alemaya University, Alemaya, Ethiopia.

Bayisa A, Mohammed H, Habtamu Z (2005). Combining ability of highland maize inbred lines. Ethiopian Journal of Agricultural Sciences 18(2):181-189.

Berhanu T (2009). Heterosis And Combining Abilityfor Yield, Yield Related Parameters and Stover Quality Traits for Food-Feed in Maize (Zea mays L.) Adapted to The Mid-Altitude Agro-Ecology of Ethiopia. Msc Thesis, Haramaya University, Haramaya. Ethipia.

Bhat IS, Singh RO (2005). Stability analysis of maize hybrids under different moisture regimes. New Botanist 32(1/4):79-85.

Central Statistical Agency (CSA) (2015). Agricultural Sample Survey 2015 Report on area and production of major crops (private peasant holdings, 'Meher' season). Statistical Bulletin. Vol 1. CSA, Addis Ababa, Ethiopia.

Central Statistical Agency (CSA) (2018). Agricultural Sample Survey 2017/2018 Report on area and production of major crops (private peasant holdings, 'Meher' season). Statistical Bulletin. Vol. 1. CSA, Addis Ababa, Ethiopia.

Dagne W, Habtamu Z, Labuschagne MT, Hussien T, Singh H (2007). Heterosis and combining ability for grain yield and its components in selected maize inbred lines. South Africa Journal Plant Soil 24(3):133-137.
Crossref

Dagne W, Vivek B, Labuschagne M (2013). Association of parental genetic distance with heterosis and specific combining ability in quality protein maize. Euphytica 191(2):205-216.
Crossref

Devi S, Parimala K, Sravanthi K (2016). Gene action and combining ability analysis for yield and its component traits in maize and its component traits in maize (Zea mays L.). The Bioscan 11(2):1043-1047.

Falconer DS, Trudy FC, Mackay (1996). Introduction to Quantitative Genetics. 4th ed., Malaysia, Longman Group Limited.

Gudeta N (2007). Heterosis and combining abilities in QPM versions of early generation highland maize (Zea Mays L.) inbred lines. MSc Thesis, Haramaya University, Haramaya, Ethiopia.

Habtamu Z (2015). Heterosis and Combining Ability for Grain Yield and Yield Component Traits of Maize in Eastern Ethiopia, Current Agricultural Research Journal 3(2):118-127.
Crossref

Krivanek A, Groote H, Gunaratna N, Diallo A, Freisen D (2007). Breeding and disseminating quality protein maize for Africa. Africa. Journal of Biotechnology, 6, 312-324.

Legesse W, Myburg AA, Pixley KV, Twumasi-Afriye S, Botha AM (2008). Relationship between hybrid performance and AFLP based genetic distance in highland maize inbred lines. Euphytica 162(3):313-323.
Crossref

Lone AA, Khan MH, Dar ZA, Wani SH (2016). Breeding strategies for improving growth and yield under waterlogging conditions in maize: a review. Maydica 61(1):1-11.

Magorokosho C, Vivek B, Macrobert J (2009). Characterization of Maize Germplasm Grown in Eastern and Southern Africa: Results of the 2008 Regional Trials Coordinated by Cimmyt. Harare, Zimbabwe.

Shushay W (2014). Standard Heterosis of Maize (Zea mays L.) Inbred Lines for Grain Yield and Yield Related Traits in Central Rift Valley of Ethiopia. Journal of Biology, Agriculture and Healthcare 4(23):2224-3208.

Tollenaar M, Lee EA (2004). Yield potential, yield stability and stress tolerance in maize. Field Crop Research 75(2-3):161-169.
Crossref

Twumasi AS, Demissew A, Gezahegn B, Wende A, Gudeta N, Girum A (2012). A Decade of Quality Protein Maize Research Progress in Ethiopia (2001-2011). pp. 47-57. In Mosisa W. Legesse W, Berhanu T, Girma D, Gezehegn B, Dagne W et al. Meeting the Challenges of Global Climate Change and Food Security through Innovative Maize Research. Proceedings of the Third National Maize Workshop of Ethiopia. Addis Ababa, Ethiopia. 18-20 April 2011. Ethiopian Institute of Agricultural Research (EIAR) and CIMMYT, Addis Ababa, Ethiopia.

USDA-FAS (2015). United States Department of Agriculture, Foreign Agricultural Service. World Agricultural Production Circular Series WAP04 -15, April 2015.

USDA-FAS, (2017). United States Department of Agriculture, Foreign Agricultural Service. World Agricultural Production Circular Series WAP04 -17, April 2017.

USDA-FAS (2020). United States Department of Agriculture, Foreign Agricultural Service. World Agricultural Production Circular Series WAP08 -20, August 2020.

Wakene N (2001). Assassment of important physio-chemical properties of dystricudalf (dystricNitosols) under different management systems in Bako area, Western Ethiopia. M.Sc. Thesis, Alemaya University, Ethiopia.

Wende A (2014). Genetic Diversity, Stability, and Combining Ability of Maize Genotypes for Grain Yield and Resistance to NCLB in the Mid-Altitude Sub-Humid Agro-Ecologies of Ethiopia. PhD. Thesis. Earth and Environmental Sciences College of Agriculture, Engineering and Science University of KwaZulu-Natal Republic of South Africa.