Dr. Saad Qaddouri Haddood. The effectiveness of mixed learning in the acquisition of physical concepts and the development of knowledge motivation among students in the fifth grade scientific / biological. UTJ [Internet]. 2019 Sep. 17 [cited 2025 Oct. 3];14(3):67-93. Available from: https://www.jutq.utq.edu.iq/index.php/main/article/view/201