Maurice, M. E., O. A. F. Gildas, B. N. Ekale, and J. J. Fawoh. “The Activity Budget of Adult Chimpanzees (Pan Troglodytes Troglodytes) and Environmental Conditions in Mefou Primate Sanctuary, Centre Region, Cameroon”. Asian Journal of Research in Zoology, Vol. 3, no. 1, Mar. 2020, pp. 13-25, doi:10.9734/ajriz/2020/v3i130080.