Waznah, U., Vandian, A., Mugiyanto, E., & Fajriyah, N. N. (2022). Comparative Study of FT-IR Profiles Preparation of Nano-Hydrogel Combination of Soursop Extract and Zinc. Prosiding University Research Colloquium, 286–292. Retrieved from https://repository.urecol.org/index.php/proceeding/article/view/1945