Biswas, C. R. (1976). the potassium supplying capacity of several Philippine soils under two moisture regimes [microform]. Photoduplication Service,University of the Philippines library.
Chicago Style (17th ed.) CitationBiswas, Chitta Ranjan. The Potassium Supplying Capacity of Several Philippine Soils Under Two Moisture Regimes [microform]. Quezon City: Photoduplication Service,University of the Philippines library, 1976.
MLA (9th ed.) CitationBiswas, Chitta Ranjan. The Potassium Supplying Capacity of Several Philippine Soils Under Two Moisture Regimes [microform]. Photoduplication Service,University of the Philippines library, 1976.
Warning: These citations may not always be 100% accurate.