Akhni Rarasati, Syahdilla Anggiva, Oktaf Rina, Nurbani Kalsum, Imam Sofi’i, Yatim Rahayu Widodo, and Isnina Isnina. “Optimization of Tetrigona Apicalis Propolis Extract Using Ethanol Solvent With Shaking Ultrasound Assisted Extraction Method”. European Multidisciplinary Journal of Modern Science 26, no. 4 (July 16, 2024): 110–117. Accessed September 19, 2024. https://journal.academicjournal.id/index.php/emjms/article/view/53.