Rastuti, Tuti, and Gandhi Pharmacista. “THE APPLICATION OF THE PRINCIPLE OF UTMOST GOOD FAITH IN PYRAMID SCHEME BUSSINES PRACTICE”. Journal Sampurasun : Interdisciplinary Studies for Cultural Heritage 5, no. 1 (June 30, 2019): 53–61. Accessed March 10, 2026. https://journal.unpas.ac.id/index.php/sampurasun/article/view/1646.