Principe, E. B. (1977). Effect of mulching and fertilization on yemane seedlings outplanted in a denuded grassland [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPrincipe, Eduardo Balot. Effect of Mulching and Fertilization on Yemane Seedlings Outplanted in a Denuded Grassland [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPrincipe, Eduardo Balot. Effect of Mulching and Fertilization on Yemane Seedlings Outplanted in a Denuded Grassland [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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