SARI, Fatma; HASYIM, Ummul Habibah; FITRIYANO, Gema; RAMADHANI, Rezi Salsabila. 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. Agroindustrial Technology Journal, [S. l.], v. 6, n. 2, p. 118–125, 2022. Disponível em: https://atj.journal.unida.gontor.ac.id/index.php/atj/article/view/47. Acesso em: 4 may. 2026.