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Article Title
Khan Academy as a Supplementary Tool in Trigonometry: Effectiveness on Students’ Performance
Authored by
Robert I. Panco
Department of Teacher Education, University of Eastern Philippines, Laoang Campus, Laoang, Northern Samar, Philippines.
Mary Jane J. Valila
Department of Teacher Education, University of Eastern Philippines, Laoang Campus, Laoang, Northern Samar, Philippines.
Allan J. Valila
Department of Teacher Education, University of Eastern Philippines, Laoang Campus, Laoang, Northern Samar, Philippines.