CARIÑO, Virginia; CRUZ, Noel. Effects of Low Levels of Zinc on the Ovarian Development of Tilapia nilotica Linnaeus. Science Diliman: A Journal of Pure and Applied Sciences, [S.l.], v. 3, sep. 2007. ISSN 2012-0818. Available at: <https://journals.upd.edu.ph/index.php/sciencediliman/article/view/287>. Date accessed: 31 aug. 2025.