Ao, Bendang, and Sentimenla. “Acid Mucopolysaccharides in the Eyes of the Butterfly, Pieris Brassicae and the Moth, Philosamia Ricini”. Journal of Research in Biology 3, no. 6 (November 11, 2013): 1072-1085. Accessed November 8, 2024. https://ojs.jresearchbiology.com/index.php/jrb/article/view/316.