Chanie, Solomon, Francesco Rovero, and Jacob Willie. 2021. “Abundance and Foraging Ecology of the Black and White Colobus Monkey (Colobus Guereza Ssp. Guereza) in Nech Sar National Park, Ethiopia”. OMO International Journal of Sciences 4 (1), 1-18. https://doi.org/10.59122/1346B46.