Ayoubi ZR, El Takach S, RAWAS M. Improving the Pedagogical Content Knowledge (PCK) among Cycle 3 In-Service Chemistry Teachers Attending the Training Program at the Faculty of Education, Lebanese University. JESEH [Internet]. 2017 Jul. 8 [cited 2024 Nov. 23];3(2):196-212. Available from: https://jeseh.net/index.php/jeseh/article/view/123