Wawan Arbeni et al. 2025. A Psycho-Spiritual Approach in Islamic Education: A Multisite Study of Spiritual and Psychic Potentials in Two Pesantren in North Sumatra. Education and Human Development Journal. 10, 3 (Dec. 2025), 435–446. DOI:https://doi.org/10.33086/ehdj.v10i3.8359.