Akhni Rarasati SA, Rina O, Kalsum N, Sofi’i I, Widodo YR, Isnina I. Optimization of Tetrigona apicalis Propolis Extract using Ethanol Solvent with Shaking Ultrasound Assisted Extraction Method. emjms [Internet]. 2024 Jul. 16 [cited 2024 Nov. 22];26(4):110-7. Available from: https://journal.academicjournal.id/index.php/emjms/article/view/53