BUDIANTO, Teguh; DJATMIKO, Budi. Business Feasibility and Strategic Development Analysis of a Non-Formal Educational Institution to Enhance Sustainable Competitive Advantage: A Case Study of Deft Ruang Belajar. Majapahit Journal of Islamic Finance and Management, [S. l.], v. 6, n. 2, p. 4497–4514, 2026. DOI: 10.31538/mjifm.v6i2.1183. Disponível em: https://syariah.jurnalikhac.ac.id/index.php/majapahit/article/view/1183. Acesso em: 15 aug. 2026.