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81
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82
Adoption of high yielding rice farming practices by the rice farmers in the Amparai District, Republic of Sri Lanka [microform]
Publicerad 1980Visual Material -
83
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84
An economic analysis of sweet potato farms in Eastern Visayan, 1975 [microform]
Publicerad 1980Visual Material -
85
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86
Sampling considerations for diseases with low prevelence [microform]
Publicerad 1980Visual Material -
87
Problems of the students of the Sulu College of Technology and Oceanography [microform]
Publicerad 1980Visual Material -
88
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89
A research-based public relations manual for a religious association the Cofradia del Santo Nino Jesus de Cebu [microform]
Publicerad 1980Visual Material -
90