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2011
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2012
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2013
Distribution of the forms of nitrogen in some Philippine soils [microform]
منشور في 1977Visual Material -
2014
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2015
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2016
Hydrolysis of urea and performance of some slow release urea fertilizers in flooded rice [microform]
منشور في 1977Visual Material -
2017
Effect of PH on the growth of rhizobia and nitrogen fixation in some rhizobium-legume associations [microform]
منشور في 1977Visual Material -
2018
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2019
A study on the application of linear programming for sawmill improvement [microform]
منشور في 1977Visual Material -
2020