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andila, putri.
" FORMULASI HANDSANITIZER DENGAN BAHAN AKTIF SIRIH (Piper betle L.), LIDAH BUAYA (ALOE VERA (L.) BURM. F..) DAN MINYAK ATSIRI SEREH WANGI (CYMBOPOGON WINTERIANUS JOWITT) UNTUK MENCEGAH COVID-19." <em>Buletin Udayana Mengabdi</em> [Online], 19.3 (2020): 375-381. Web. 29 Aug. 2026