Hidayah, Hikmatul. “Implementation of Class Management Improving the Learning Process in Class VI Umar Bin Khattab SDIT Ummi Aida Medan, Medan Tembung District”. Continuous Education: Journal of Science and Research 1, no. 1 (December 11, 2020): 24-35. Accessed November 24, 2024. https://pusdikra-publishing.com/index.php/josr/article/view/3.