ஒத்த வளங்கள்: Differential diversity and abudance of ichneumonidae in the Sungkai Forest Reserve /
- Comparative study on diversity of Ichneumonidae in disturbed and undisturbed forest /
- Comparative study on methods of collecting parasitica Hymenoptera with special emphasis on the family of Ichneumonidae /
- Matang forest reserve : best managed mangrove forest in the world /
- A Working Plan for the Matang Mangrove Forest Reserve, Perak
- A working plan for the Matang Mangrove Forest Reserve, Perak /
- A Working plan for the second 30-year rotation of the Matang Mangrove Forest Reserve Perak : the first 10 - year period, 1980-1989 /