Krutkun, T. (1977). Influence of internal drainage on the chemical and electrochemical changes of four flooded soils and on the growth of rice [microform]. Photoduplication Service, University of the Philippines Library.
Citace podle Chicago (17th ed.)Krutkun, Tawin. Influence of Internal Drainage on the Chemical and Electrochemical Changes of Four Flooded Soils and on the Growth of Rice [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Citace podle MLA (9th ed.)Krutkun, Tawin. Influence of Internal Drainage on the Chemical and Electrochemical Changes of Four Flooded Soils and on the Growth of Rice [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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