Tadena, Edgie Boy. “Gonadosomatic Index (GSI) of Sardinella Lemuru from Pantukan, Davao De Oro”. World Journal of Environmental Research 15, no. 1 (May 30, 2025): 1–9. Accessed July 28, 2025. https://un-pub.eu/ojs/index.php/wjer/article/view/9574.