Nuryani, Siti. “Pemanfaatan Ekstrak Daun Jambu Biji (Psidium Guajava Linn) Sebagai Antibakteri Dan Antifungi”. Jurnal Teknologi Laboratorium 6, no. 2 (October 25, 2017): 41 - 45. Accessed October 20, 2021. https://teknolabjournal.com/index.php/Jtl/article/view/95.