John, J. R. “Plant Diet Selectivity and Some Environmental Parameters at Foraging Sites of Wattled Crane (Bugeranuscarunculatus) in Malagarasi Wetlands, Tanzania”. Tanzania Journal of Science, vol. 45, no. 1, Mar. 2021, pp. 32 - 43, https://tjs.udsm.ac.tz/index.php/tjs/article/view/174.