P. Astirin, Okid, Adi Prayitno, Anif N. Artanti, Elisa Herawati, Anggraini R. Dewi, Virnanda R. Aryani, and Vector S. Dewangga. 2021. “Synergistic Cytotoxic Effect of Anonna Muricata and Caesalpinia Sappan Nanoparticles via Expression of BAD Pro-Apoptotic Protein in HeLa Cervical Cancer Cells: doi.org 10.26538 Tjnpr V5i12.11”. Tropical Journal of Natural Product Research (TJNPR) 5 (12): 2108-14. https://tjnpr.org/index.php/home/article/view/226.