«Morphological and morphometrical studies on the tongue of the juvenile cattle egret (Bulbucus ibis)» (2023) Nigerian Journal of Physiological Sciences, 38(2), s. 249–258. Tilgjengelig på: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/2554 (åpnet: 25 april 2026).