INVESTIGATION OF COCONUT SHELLS ACTIVATED CARBON AS THE COST EFFECTIVE ABSORBENT IN DRINKING WATER FILTER. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 77, n. 22, 2013. DOI: 10.11113/jt.v77.6656. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/6656.. Acesso em: 20 dec. 2024.