Agazi N (2001). The Holocene Prehistoric Archaeology of the Tembien Region, Northern Ethiopia. Ph.D. Dissertation. University of Florida.

Anati E (1972). Rock-Art in Central Arabia 3: Corpus of the Rock Engravings. Louvain, Institut Orientaliste de l'Universite.

Bahn PG (1998). Prehistoric Rock Art. Cambridge: Cambridge University Press.

Bednaric G (1991). Rock Art Researches as Rock Art vandals in Sahara. Prehistory and History of the Sahara 4:166-168.

Brandt S, Carder N (1987). Pastoral Rock Art in the horn of Africa: making sense of under Chaos. World Archaeology 19(2).
Crossref

Buhrich A (2001). Monitoring visitor behavior at the remote rock art site of Split Rock. Laura P 11.

Cervicek P (1971). Rock Paintings of LagaOda (Ethiopia). Paideuma P 17.

Clark D, Williams MAJ (1976). Archaeological Research in Southern Ethiopia: Some Preliminary results, in Nyame Akuma P 8.

Clark D, Williams MAJ (1978). "Recent Archaeological Research in Southern Ethiopia: Some preliminary Results" in Annales d' Ethiopie P 11.

Clark JD (1954). Prehistoric Cultures of the horn of Africa. Cambridge: Cambridge University Press.

Clark JD, Price GR (1978). Use wears on Later Stone Age Microliths from LagaOda (Heritage, Ethiopia) and Possible Functional Interpretations. African Archaeological Review P 13.

Cole N, Buhrich A (2001). Endangered Rock Art. Sydney: CABI Publisher.

Crabtree PJ, Campana DV (2006). Exploring Prehistory. New York: MC Graw Hill.

Deacon J (2006). "Rock Art Conservation and Tourism. Journal of Archaeological Method and Theory 13(4).
Crossref

Dire Dawa Culture and Tourism Office (2008). Dire Travel and Tour Guide. Dire Dawa Culture and Tourism Office, Dire Dawa. Dire Dawa Administration press.

Getachew M (2006). "New Rock Art Sites in Northeastern Ethiopia: their contribution to the Development of early Food production." M.A thesis. Archaeology. Addis Ababa University.

Girma H (2001). "The Emergence of Prehistoric Pastoralism in Southern Ethiopia" Ph.D. Dissertation. University of Florida.

Harris R, Griffin T, Williams P (2002). Sustainable Tourism: a Global Perspective. London: Butterworth-Heinemann Publication.

HCTB (2010). Harar: the Walled City. Harar Culture and Tourism Office. Harar.

Lambert D (2007). Introduction to Rock Art Conservation: a guide to the preservation of Aboriginal Rock Art. Sydney: South Press.

Miles MB, Huberman AM (1994). Quantitative Data Analysis. London: SAGE Publication.

Novelli, M (2004). Niche Tourism: Contemporary Issues, Trends and Cases. Oxford: Oxford University Press.

Nrdoro W, Pwiti G (2009). "Legal Frameworks for the Protection of Immovable Cultural Heritages in Africa." Rome: ICCROM. Proclamations, policies and reports.

Philipson D (1985). The Later Prehistory of Eastern and South Eastern Africa. London: Heinman Educational Books.

Spratt C, Walker R, Robinson, B (2004). Module A5: Mixed Research Methods. Common Wealth of Learning. London: N.P.P.

Tekle H (2011). The Ethiopian Rock Arts: The Fragile Resources. Addis Ababa: Novell Printing Press.

Temesgen N (2005). "Conservation of Pre-historic Rock Art in the Environ of Harar and Dire Dawa, South Eastern Ethiopia." MA thesis. Archaeology. Addis Ababa University.

Willcox AR (1984). The Rock Art of Africa. New York: Halmes and Meier Publisher. Unpublished.