Sainakham, Mathukorn, and Lapatrada Mungmai. 2020. “In Vitro Anti-Oxidative Activity and Tyrosinase Inhibition of Inca Peanut (Plukenetia Volubilis L.) Shell Extracts from Different Preparation Methods”. Thai Journal of Science and Technology 9 (3). Pathumthani, Thailand:407-17. https://doi.org/10.14456/tjst.2020.30.