Thabed Tholib Baladraf. INNOVATION OF BIODEGRADABLE MEMBRANE NANOFILTER MASK BASED ON CELLULOSE EMPTY PALM OIL BUNCHES AS A FUTURE MASK. Khazanah [Internet]. 2022 May 28 [cited 2025 Dec. 7];13(4). Available from: https://journal.uii.ac.id/khazanah/article/view/23742