Wawan Arbeni, Muzakkir and Nurussakinah Daulay (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), pp. 435–446. doi: 10.33086/ehdj.v10i3.8359.