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Sari F, Hasyim UH, Fitriyano G, Ramadhani RS. PENGARUH WAKTU EKSTRAKSI ULTRASONIK DAUN SIRIH HIJAU (Piper betle L) TERHADAP RENDEMEN dan SIFAT MIKROBA SEBAGAI ZAT TAMBAH GEL ANTISEPTIK: The Effect Of Ultrasonic Extraction Of Betel Leaves (Piper Betle L) On The Rendement And Properties Of Microbials As Additional Substances Of Antiseptic Gels. ATJ [Internet]. 2022 Nov. 30 [cited 2026 May 4];6(2):118-25. Available from: https://atj.journal.unida.gontor.ac.id/index.php/atj/article/view/47