Namira Fitriyani, & Wisik Adelina. (2022). NANO SPRAY ANTI ACNE: NANOTECHNOLOGY-BASED SERUM SPRAY INNOVATION FROM BETEL LEAF EXTRACT IN OVERCOMING PROPIONIBACTERIUM ACNES BACTERIA CAUSES BY ACNE PROBLEMS. Khazanah: Jurnal Mahasiswa, 13(4). https://doi.org/10.20885/khazanah.vol13.iss4.art22