Liam, J. and Gill, D.W. 1998 Community Participation In National Park And Nature Reserves, A Case Study: Mulu National Park
Liam, J. and Bolhan Bodeng 2000 Community Base Tourism For Development And Conservation In Long Teru, Ulu Tinjar, Baram
Lading, E. and Braken, O. 2000 Hunting Practices And The Status Of Wildlife Game Species At The Periphery Of Lanjak Entimau Wildlife Sanctuary