Rumaropen, Teodora J., et al. “STABILITY ANALYSIS OF ECOLOGICAL MATHEMATICAL MODEL OF OXYGEN–PHYTOPLANKTON–ZOOPLANKTON ”. BETA-BAREKENG : Journal of Mathematics and Computer Science, vol. 1, no. 1, Mar. 2026, pp. 21-28, https://ojs.beta-math.id/index.php/beta-barekeng/article/view/3.