Touhami AO, Benjellouna N, Alamia M, Aounia H. Virtual image and pupils conceptual difficulties in the first year of Baccalaureate Experimental Sciences. IJREM [Internet]. 2014 May 17 [cited 2024 Nov. 27];5(3):721-9. Available from: https://rajpub.com/index.php/ijrem/article/view/3897ijrem