Saude, S. et al. 2021. Tracing The Khalwatiyah Order in The Tolitoli Regency Central Sulawesi. IBDA` : Jurnal Kajian Islam dan Budaya. 19, 1 (Feb. 2021), 101–119. DOI:https://doi.org/10.24090/ibda.v19i1.4164.