1,106 Nurul Nadia Binti Ya'akob 2019-04-16 https://www.actascientific.com/ASNH/pdf/ASNH-02-0106.pdf Ezeabara, C. A., & Anona, R. O. (2018). Comparative Analyses of Phytochemical and Nutritional Compositions of Four Species of Dioscorea. Acta Scientific Nutritional Health , 2 (7), 90-94. http://docsdrive.com/pdfs/medwelljournals/ijmmas/2006/199-203.pdf Okwu, D. E., Ndu, C. U. (2006). Evaluation of the Phytonutrients, Mineral, Vitamin contents of Some Varieties of Yam (Dioscorea sp.). International Journal of Molecular Medicine and Advance Science 2(2): 199-203, 2006. Revised record 17.9.2019. The second source of reference was collected by Thik Sukree on 12.11.2016.