Chia, A. M., et al. “A Survey for the Presence of Microcystins in Aquaculture Ponds in Zaria, Northern-Nigeria: Possible Public Health Implication”. Advances in Aquaculture and Fisheries Management, vol. 8, no. 1, Apr. 2020, pp. 1-8, https://www.elixirpublishers.in/index.php/aiafm/article/view/432.