Gaya APA
Berkoff.J, M, F, .
(2007).
Irrigation Water Pricing The Gap Theory
(
4)
.
India:
Comprehensive Asswssment.
Gaya MLA
Berkoff.J, Molle, F, .
"Irrigation Water Pricing The Gap Theory".
4
India:
Comprehensive Asswssment,
2007.
.