Charisma, Raka Selaksa, et al. “Study of Extraction Calophyllum Inophyllum L Using Microwave Hydrodiffusion Gravity And Chemical Extraction Method”. IPTEK The Journal for Technology and Science, vol. 31, no. 1, July 2025, pp. 33-43, doi:10.12962/j20882033.v31i1.4259.