M.T.N. Doan, M.C. Huynh, A.N.V. Pham, N.D.Q. Chau, P.T.K. Le, Extracting Seed Oil and Phenolic Compounds from Papaya Seeds by Ultrasound-assisted Extraction Method and Their Properties, Chemical Engineering Transactions. 78 (2020) 493-498. doi:10.3303/CET2078083.