“Effect of Adsorbent Type and Coulomn Lenght on Long Purification Time Liquid Smoked of Coconut Shell”. (2023) 2026. Jurnal BETA (Biosistem Dan Teknik Pertanian) 11 (2): 245-53. https://doi.org/10.24843/JBETA.2023.v11.i02.p31.