Mahyeldi, Yahya Don, and 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, vol. 2, no. 3, Oct. 2026, pp. 1-21, doi:10.69855/panggaleh.v2i3.879.