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.
Chicago-viite (17. p.)Lawas, 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.
MLA-viite (9. p.)Lawas, 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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