T. Firdaus, A. J. Sitika, and A. Rukajat, “Model of Internalization of Akhlakul Karimah Values through Habituation of Islamic Manners in Early Childhood Education”, Muaddib: Islam. Educ. J., vol. 8, no. 2, pp. 79–90, Dec. 2025, doi: 10.19109/muaddib.v8i2.31752.