., E. Mandailing Scholar of the XX Century: Sufism Thought of Syeikh Syihabuddin Nasution Aek Libung (1892 -- 1967). KnE Social Sciences, [S. l.], v. 8, n. 4, p. 549–558, 2023. DOI: 10.18502/kss.v8i4.12943. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/12943. Acesso em: 13 may. 2025.