Sakung, J. M., S. Sirajuddin, A. Zulkifli, S. A. Rahman, and B. . “The Effect of Nutrition Education and Instant Chayote on the Knowledge of Pre-Diabetes Teachers”. International Journal of Medical Science and Clinical Invention, vol. 5, no. 6, June 2018, pp. 3890-3, doi:10.18535/ijmsci/v5i6.10.