Lawas, V. M. (2000). An interactive approach in teaching derivatives. Institute of Mathematical Sciences and Physics, College of Arts and Sciences, University of the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLawas, Vernel M. An Interactive Approach in Teaching Derivatives. Los Banos, Laguna: Institute of Mathematical Sciences and Physics, College of Arts and Sciences, University of the Philippines, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLawas, Vernel M. An Interactive Approach in Teaching Derivatives. Institute of Mathematical Sciences and Physics, College of Arts and Sciences, University of the Philippines, 2000.
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