Ari Gunawan, & Eka Bobby Febrianto. (2026). STRATEGY TO INCREASE PRODUCTIVITY OF 20-25 YEAR AGE PALM OIL PLANTS AT PT.PP LONDON SUMATRA BAGERPANG ESTATE. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), 5(8), 4781–4786. Retrieved from https://ijset.org/index.php/ijset/article/view/2094