Liwutang, Y.E. et al. 2013. Phytoplankton Density and Diversity in the Waters around the Reclamation Area in Manado Beach. Jurnal Ilmiah PLATAX. 1, 3 (Aug. 2013), 109–117. DOI:https://doi.org/10.35800/jip.1.3.2013.2568.