“UTILIZATION OF NIPAH FRUIT WASTE ACTIVATED CARBON AS ADSORBENT IN THE PURIFICATION PROCESS OF GLYCEROL BY-PRODUCTS OF PALM OIL BIODIESEL PRODUCTION”. Jurnal Teknologi Industri Pertanian, vol. 34, no. 3, Dec. 2024, p. 205, https://doi.org/10.24961/j.tek.ind.pert.2024.34.3.205.