Population parameters of the long-spined black sea urchin, Diadema setosum (Leske, 1778) from Pulau Pangkor, Perak, Malaysia - Rahman, Md. Aminur; Md. Yusoff, Fatimah; Arshad, Aziz; Sarker, S. M. Nurul Amin Harmuj Ali; Harun, Mohamad Shukri; Lee, Sang Go (Faculty of Agriculture, Universiti Putra Malaysia, 2018)