Hasibuan, A. A., and R. Rubino. “Implementation of Qaulan Karima Principles of the Coaches in Improving the Speaking Ethics of Mosque Youth Al-Falah Bantan Village, Medan Tembung, Medan City”. Edumaspul: Jurnal Pendidikan, Vol. 8, no. 2, Oct. 2024, pp. 4281-5, https://ummaspul.e-journal.id/maspuljr/article/view/8597.