Paningbatan, E. P. (1977). Effect of nitrogen, phosphorus and potassium fertilization on yield and rhizome quality of ginger [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPaningbatan, Eduardo P. Effect of Nitrogen, Phosphorus and Potassium Fertilization on Yield and Rhizome Quality of Ginger [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPaningbatan, Eduardo P. Effect of Nitrogen, Phosphorus and Potassium Fertilization on Yield and Rhizome Quality of Ginger [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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