N. A. Harahap, A. Hasibuan, S. R. Batubara, M. L. H. Nasution, A. Simamora, and C. A. Harahap, “ISLAMIC SPIRITUAL GUIDANCE MODEL FOR STRENGTHENING THE MORAL CHARACTER OF INMATES IN CLASS IIB PADANGSIDIMPUAN CORRECTION”, MICJO, vol. 3, no. 3, pp. 3696–3704, Jul. 2026.