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101
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102
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103
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104
An economic analysis of share tenancy for rice farms in Bangladesh [microform].
Vydáno 1980Visual Material -
105
The effects of extension and technical knowledge on farmer productivity in Nueva Ecija, Philippines [microform]
Vydáno 1980Visual Material -
106
Proposed railway lines in the Island of Luzon. Report of J.T. Norton [microform] .
Vydáno 1980Visual Material -
107
Executive orders relative to sugar allocation issued by the Governor-General [microform].
Vydáno 1980Visual Material -
108
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109
Biological constraints to high yields in selected farmers' fields in Iloilo, Philippines [microform].
Vydáno 1980Visual Material -
110