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 (IJBE) 3, no. 3 (September 3, 2017): 219. Accessed October 13, 2024. https://journal.ipb.ac.id/index.php/ijbe/article/view/16765.