Azizah, N., C. T. Prakoso, and S. Saipul. “Implementation of the RSPO International Standard: Evaluation of Substantive Success and Systemic Constraints for Oil Palm Smallholders”. SIGn Journal of Social Science, Vol. 6, no. 2, Mar. 2026, pp. 423-42, doi:10.37276/sjss.v6i2.669.