Han, K. W. (1977). Sulfur availability to rice plants and its transfoemation in rice soil and rhizosphere [microform]. Photoduplication Service. University of the Philippines Library.
Citace podle Chicago (17th ed.)Han, Kang Wan. Sulfur Availability to Rice Plants and Its Transfoemation in Rice Soil and Rhizosphere [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citace podle MLA (9th ed.)Han, Kang Wan. Sulfur Availability to Rice Plants and Its Transfoemation in Rice Soil and Rhizosphere [microform]. Photoduplication Service. University of the Philippines Library, 1977.
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