Dirk van der Eijk. (1998). Phosphate fixation and the response of maize to fertilizer phosphate in Kenyan soils. The Netherland: Wageningen University.
シカゴスタイル引用形Dirk van der Eijk. Phosphate Fixation and the Response of Maize to Fertilizer Phosphate in Kenyan Soils. The Netherland: Wageningen University, 1998.
MLA引用形式Dirk van der Eijk. Phosphate Fixation and the Response of Maize to Fertilizer Phosphate in Kenyan Soils. The Netherland: Wageningen University, 1998.
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