Kholifa, Mahmud. “Pengaruh Ekstrak Etanol Daun Sirih Merah (Piper Crocatum Ruiz & Pav) Terhadap Hambatan Pertumbuhan Bakteri Streptococcus Mutans”. Prosiding University Research Colloquium (February 21, 2018): 17–23. Accessed April 19, 2025. https://repository.urecol.org/index.php/proceeding/article/view/5.