Pratuang, K. (1977). Effect of PH on the growth of rhizobia and nitrogen fixation in some rhizobium-legume associations [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationPratuang, Krootha. Effect of PH on the Growth of Rhizobia and Nitrogen Fixation in Some Rhizobium-legume Associations [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA (9th ed.) CitationPratuang, Krootha. Effect of PH on the Growth of Rhizobia and Nitrogen Fixation in Some Rhizobium-legume Associations [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Warning: These citations may not always be 100% accurate.