Marpaung, H. H., Tuty Ningsih and Tifany Zia Aznur (2026) “MARKETING EFFICIENCY ANALYSIS OF PALM OIL SYRUP BROWN SUGAR IN LAU TADOR VILLAGE”, International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), 5(8), pp. 4762–4769. Available at: https://ijset.org/index.php/ijset/article/view/2088 (Accessed: 8 October 2026).