1,953 Maizatul Vanisha Bt Masril 2019-03-29 https://core.ac.uk/download/pdf/52173862.pdf Gunethilaka, H. A. J., & Silvan, B. D. B. (n.d.). Varietal Evaluton of Winged Bean (Psophocarpus Tetragonolobus l. dc) Under Coconut for the Intermediate Dry zone of the coconut triangle in Sri Lanka. Retrieved from https://core.ac.uk/download/pdf/52173862.pdf Revised record 08.10.2019.