Saputri, R., Kamaluddin, M. T., Theodorus, T., & Mangunsong, S. (2022). CHARACTERIZATION OF CAFFEINE NANOPARTICLE PREPARATIONS FROM ROBUSTA COFFEE EXTRACT USING PLGA AND PVA. Oceana Biomedicina Journal, 5(2), 107–118. https://doi.org/10.30649/obj.v5i2.87