9,290 Siti Sarah Binti Mohd Sinin 1951-08-20 https://onlinelibrary.wiley.com/doi/abs/10.1002/jsfa.2740350310 Kortt, A. A., & Caldwell, J. B. (1984). Characteristics of the proteins of the tubers of winged bean (Psophocarpus tetragonolobus (L.) DC). Journal of the Science of Food and Agriculture, 35(3), 304-313. The data was extracted from abstract with limited information.