Himmi Marsiati, Sri Wuryanti, Muhammad Arsyad, Fahreza Maulana, Carolin Aprilia Baslani, Muhammad Andre Niljon and Dhea Angela Putri 2023. Measurement of Antioxidant Activity Combination of Robusta Coffee (Coffea canephora), Matoa Leaves (Pometia pinnata) and Stevia Leaves (Stevia rebaudiana) with Various Solvent Extractions. Journal of Advanced Research in Applied Sciences and Engineering Technology. 31, 2 (Jul. 2023), 81–90. DOI:https://doi.org/10.37934/araset.31.2.8190.