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Hariyadi, D. M.; Isnaeni, I.; Sudarma, S.; Shandra, N.-M. K.; Rosita, N. Formulation of Peel-Off Mask Containing Natural Antibacterial: Study on Poly Vinyl Alcohol (PVA) and Virgin Coconut Oil (VCO) Contents: doi.org 10.26538 Tjnpr V5i3.16. TJNPR 2021, 5, 514-518.