Firdaus, Firdaus, and Nurus Shalihin. “Extended Case Method (ECM) in Social and Cultural Research”. ETNOSIA : Jurnal Etnografi Indonesia 6, no. 1 (May 5, 2021): 9–23. Accessed February 27, 2026. https://journal.unhas.ac.id/index.php/etnosia/article/view/7147.