Judijanto, Loso. 2026. “From Mandatory Certification to Value-Chain Transformation: Reassessing Indonesia’s ISPO Architecture for Global Market Legitimacy, Smallholder Inclusion, Ecological Integrity, and National Resilience”. International Journal of Global Sustainable Research 4 (9):1167-96. https://doi.org/10.59890/ijgsr.v4i9.341.