Erna Suprihartiningsih, Abdul Chalid Ahmad, and Chairullah Amin. “Fuzzy-Set Qualitative Comparative Analysis: Studi Kasus Index Kebahagiaan Di Indonesia Tahun 2021”. JURNAL SOSIAL EKONOMI DAN HUMANIORA 9, no. 1 (March 30, 2023): 117–128. Accessed November 22, 2024. https://jseh.unram.ac.id/index.php/jseh/article/view/174.