Gaya APA
Pushparajah, ., Collin, E. (1989).
The Establishment Of Soil Management On Sloping Lands .
Thailand:
IBSRAM Proceedings.
Gaya MLA
Pushparajah, ., Collin, Elliot.
"The Establishment Of Soil Management On Sloping Lands".
Thailand:
IBSRAM Proceedings,
1989.
Text.