-
1971
The economic and technical aspects of water application on rice [microform]
Udgivet 1977Visual Material -
1972
The economics of pump irrigation in low-land rice production, Cabuyao, Laguna, 1964-1969 [microform]
Udgivet 1977Visual Material -
1973
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1974
-
1975
-
1976
-
1977
Pollen quality of some tomato varieties and temperature effects on pollen growth [microform]
Udgivet 1977Visual Material -
1978
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1979
The Filipino graduates of the Rice Production Training Program a follow-up study [microform]
Udgivet 1977Visual Material -
1980