Santos, C. A. (1975). A general survey of the chemical constituents of "Kapal-kapal" leaves [Calotropis Gigantia (Linn.) Dryand] [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSantos, Constancia Avendano. A General Survey of the Chemical Constituents of "Kapal-kapal" Leaves [Calotropis Gigantia (Linn.) Dryand] [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSantos, Constancia Avendano. A General Survey of the Chemical Constituents of "Kapal-kapal" Leaves [Calotropis Gigantia (Linn.) Dryand] [microform]. Photoduplication Service, University of the Philippines Library, 1975.
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