The elephants in Pulau Besar, Kenyir Dam

by Kassim, Hassan
Published 1986

Distribution of large mammal in Tasek Kenyir Taman Negara Terengganu

by Kassim, Hassan
Published 1992

Preliminary study on translocated elephants at Sungai Chenana, National Park Terengganu

by Kassim, Hassan
Published 1991

Dependence of Elephas maximus on rural agriculture

by Kassim, Hassan, Keling, Udadin
Published 1985

A survey on the distribution of large mammals in Endau Rompin State Park, Johor

by Mohd.Nor, Burhanuddin, Kassim, Hassan, Suri, Samsuddin, Othman, Shahruddin, Abdullah, Mohd.Tajuddin
Published 1995

Large mammal survey at Krau Wildlife Reserve, Pahang

by Kassim, Hassan, Che Man, Aziz, Topani, Rahmat, Muhamad, Mokhtar, Wahid, Saidu, Yusof, Ebil
Published 1999