“The Role Natural Tafakur Activities In Improving The Faith of Student Islamic Boarding School Jagad ‘Alimussirry”. Journal Intellectual Sufism Research (JISR) 2, no. 2 (May 26, 2020): 29–33. Accessed August 25, 2026. https://jurnal.jagadalimussirry.com/index.php/ojs/article/view/74.