Siregar SH, Nurhaliza D, Ramadhanti AR. Bentonite-chitosan bionanocomposite for adsorption of used lubricant oil: Bentonit-kitosan. Acta.Chim.Asiana [Internet]. 2025 May 31 [cited 2025 Jun. 4];8(1):548-54. Available from: https://aca.unram.ac.id/index.php/ACA/article/view/220