Falah MM, Hartono H, Nugroho SE, Ridlo S. Physics Teachers’ Pedagogical Content Knowledge (PCK) in Developing Content Representation (CoRe) on the Topic of Classical Mechanics. ISET [Internet]. 2023 Mar. 1 [cited 2024 May 4];7(1):378-83. Available from: https://proceeding.unnes.ac.id/ISET/article/view/1985