“IMPLEMENTASI SISTEM KENDALI AUTOMATIC DRAIN DI PURE OIL TANK STASIUN CLARIFICATION PABRIK KELAPA SAWIT GVL TARJUOWON MILL SINOE COUNTY LIBERIA”. 2025. Journal of Composite Social Humanisme 2 (3): 48-54. https://ojs.shahida.or.id/index.php/composite/article/view/60.