MAHYELDI; YAHYA DON; MOHD AMY AZHAR MOHD ARIF. Toward an Integrated IPOO–DMAIC Framework for Diagnosing and Improving Waqf Governance: A Conceptual Case Study Protocol for West Sumatra, Indonesia. Perspectives on Advanced New Generations of Global and Local Economic Horizons, [S. l.], v. 2, n. 3, p. 1–21, 2026. DOI: 10.69855/panggaleh.v2i3.879. Disponível em: https://gpijournal.com/index.php/panggaleh/article/view/879. Acesso em: 24 oct. 2026.