Maulana, M., 		Parlindungan, J., 		Rettob, A., 		Siregar, L., & 		Hitijahubessy, H.
(2025).
 Characterization of Clay from Merauke Regency and Its Utilization as an Adsorbent of Free Fatty Acids in the Purification of Waste Cooking Oil.
<em>Fullerene Journal Of Chemistry, 10</em>(2), 128-135.
doi:10.37033/fjc.v10i2.747