Mohamed A, احمد. The aims of this research is to identifying the impact of teaching optics , by using virtual laboratory and multimedia , on the visual thinking skills of fourth scientific grade students. JEH [Internet]. 2025 Jun. 24 [cited 2025 Aug. 6];2:355-84. Available from: https://rjps.uomosul.edu.iq/index.php/jeh/article/view/5619