Invitro antioxidant activity of leaves & unripen fruits of “Tanin and Vega F1” hybrid papaya on the basis of DPPH free radical scavenging - Needhiraja, N.P.; Krishnamoorthy, T.; Jayasooriya, A.T.R.; Sivasinthujah, S (University of Sri Jayewardenepura, 2023)