Manuel B. Barquilla. (2023) Teacher Representations of Pedagogical Content Knowledge (PCK) in Biology Classroom. <i>International Journal of Science Education and Teaching (IJSET)</i>, <i>2</i>(2), 114-126.Manuel B. Barquilla. "Teacher Representations of Pedagogical Content Knowledge (PCK) in Biology Classroom". International Journal of Science Education and Teaching (IJSET) 2 (2023):114-126.Manuel B. Barquilla. Teacher Representations of Pedagogical Content Knowledge (PCK) in Biology Classroom. Science Education Association (Thailand):ม.ป.ท. 2023.