Ritakumari, S. D., and S. Shibu. “PHYTOPLANKTON DIVERSITY AND PRIMARY PRODUCTION IN POONTHURA ESTUARY, SOUTH KERALA”. Journal of Indian Fisheries Association 34 (December 1, 2007). Accessed October 24, 2025. https://epubs.icar.org.in/index.php/JIFA/article/view/56808.