Interlinkage among primary production, phytoplankton abundance, chlorophyll and environmental conditions of a mangrove estuary in Sarawak, Malaysia - Saifullah, A. S. M.; Mustafa Kamal, Abu Hena; Idris, Mohd Hanafi; Rajaee, Amy Halimah (Department of Biology, Faculty of Science, Universiti Putra Malaysia, 2014)