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            191
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            192
Studies on the adaptability of six tree species to cogonal areas [microform].
Izdano 1980Visual Material - 
              
            193
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            194
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            195
Studies on some of the factors relating to loss of protein during rice milling [microform].
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            196
Factors associated with the performance of irrigation associations in the Pila Social Laboratory [microform]
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            197
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            198
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            199
Female labor force participation and fertolity in the Philippines [microform]
Izdano 1980Visual Material - 
              
            200
A study on the effects of temporary worker outflows from the Philippines [microform]
Izdano 1980Visual Material