“A List of Proposed Standard Levels for Preparing the Physics Curriculum for the Basic Education Stage, the Second Cycle (a Field study): (دراسة ميدانية)”. Journal of Hama University 5, no. 13 (November 6, 2022). Accessed June 6, 2026. https://journal.hama-univ.edu.sy/huj/article/view/1040.