Salman, Faris, Mukhamad Najib, and Setiadi Djohar. “Cost and Benefit Analysis of RSPO Certification (Case Study in PT BCA Oil Palm Plantation in Papua)”. Indonesian Journal of Business and Entrepreneurship 3, no. 3 (September 3, 2017): 219. Accessed December 29, 2025. https://journal.ipb.ac.id/ijbe/article/view/16765.