Halmi Qur-Ani, O., Aidha, Z., Harahap, N., & Wasiyem. (2026). Factors Related to Clean and Healthy Living Behavior Among Students of MTs Nahdhatul Islam, Langkat Regency. Jurnal Ilmiah Kesehatan, 18(2), 410–426. https://doi.org/10.37012/jik.v18i2.3704