KAPLAN, M. N. .; ZARKASYI, A. A. Purification of Sufism According to Hamka. Kalimah: Jurnal Studi Agama dan Pemikiran Islam, [S. l.], v. 22, n. 2, p. 141–166, 2024. DOI: 10.21111/klm.v22i2.12909. Disponível em: https://ejournal.unida.gontor.ac.id/index.php/kalimah/article/view/12909. Acesso em: 5 dec. 2025.