Sihombing Piliang. “VALUE-ADDED DISTRIBUTION ANALYSIS IN THE BROWN SUGAR (SAKA) GROINDUSTRY”. The American Journal of Agriculture and Biomedical Engineering 6, no. 06 (June 1, 2024): 1–6. Accessed July 11, 2025. https://www.theamericanjournals.com/index.php/tajabe/article/view/5092.