L. U. . Obi, P. A. . . Obiefule, V. Ekemezie, and F. N. . Olisaka, “Valorization of poultry feather with poultry litters and evaluation of effects on the microbial biota, minerals and plant growth potential”, RKGP J. Environ. Microbiol. Microb. Ecol., vol. 1, no. 2, pp. 8–15, Jan. 2026, Accessed: Oct. 12, 2026. [Online]. Available: https://www.rkgpjournals.org/index.php/RJEMME/article/view/35