Antone, Merab S. “Effects of Varying Concentrations of Copper Sulfate on the Population Density of Chlorella SP. Nitzschia SP. And Oscillatoria SP”. Silliman Journal 33, no. 1-4 (May 30, 2024). Accessed March 9, 2026. https://su-journal.su.edu.ph/index.php/sj/article/view/488.