Syahdan, M., A. S. Atmadipoera, S. B. Susilo, and J. L. Gaol. “Variability of Surface Chlorophyll-a in the Makassar Strait”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 14, no. 2, Sept. 2014, pp. 103-16, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/2576.