Effendi, O. 2022. The Challenge of Indonesian Customary Law Enforcement in the Coexistence of State Law. Asy-Syir’ah: Jurnal Ilmu Syari’ah dan Hukum. 56, 1 (Jun. 2022), 173–194. DOI:https://doi.org/10.14421/ajish.v56i1.1033.