Ringim, A. ., F. . . Magige, and R. . Jasson. “A Comparative Study of Species Diversity of Migrant Birds Between Protected and Unprotected Areas of the Hadejia-Nguru Wetlands, Nigeria”. Tanzania Journal of Science, vol. 43, no. 1, Dec. 2017, pp. 108-20, https://tjs.udsm.ac.tz/index.php/tjs/article/view/289.