-
101
The net value of irrigation water in Upper Pampanga River Project, Central Luzon, Philippines [microform]
Published 1977Visual Material -
102
-
103
-
104
A method of determining the net duty of irrigation water for lowland rice [microform]
Published 1976Visual Material -
105
Comparative economic analysis of low-lift (surface) and tubewell irrigation projects in the Philippines [microform]
Published 1976Visual Material -
106
Comparative economic analysis of low-lift (surface) and tubewell irrigation projects in the Philippines
Published 1976Visual Material -
107
-
108
-
109
-
110