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1511
In-service training needs of vocational agriculture teachers in agricultural colleges in Thailand [microform].
Publié 1979Visual Material -
1512
Physio-chemical changes during commercial transport and storage of mangoes [microform]
Publié 1979Visual Material -
1513
Genetics of sex expression in papaya (carica papaya L.) CV. `Cavite special' [microform]
Publié 1979Visual Material -
1514
Environmental factors affecting fertilizer nitrogen efficiency in flooded tropical rice [microform]
Publié 1979Visual Material -
1515
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1516
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1517
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1518
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1519
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1520