Não informado. (2002). Caribbean Journal of Science. University of Puerto Rico, College of Arts and Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Caribbean Journal of Science. Mayaguez, Porto Rico: University of Puerto Rico, College of Arts and Sciences, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Caribbean Journal of Science. University of Puerto Rico, College of Arts and Sciences, 2002.
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