1
2
Published 1991
“...Universiti Pertanian Malaysia. Bahagian Ladang....”
Book
3
Published 1987
“...Universiti Pertanian Malaysia. Bahagian Ladang....”
Book
4
5
6
7
Published 1988
“...Universiti Pertanian Malaysia. Bahagian Ladang....”
Thesis
Book
8