Hardoko H, Jessica M, Halim Y. Antibacterial Activity of Cough Suppressant Functional Drink from Betel Leaves (Piper sarmentosum), Lime (Citrus aurantifolia) and Honey: doi.org/10.26538/tjnpr/v4i10.7. TJNPR. 2020;4(10):695-702. Accessed November 28, 2024. https://tjnpr.org/index.php/home/article/view/1023