Widyastuti, N., G. Anjani, V. G. Almira, S. E. Putri, A. R. Pratiwi, and M. I. Prawira-Atmaja. “EFFECT OF BREWED ROBUSTA COFFEE LEAVES ON INSULIN LEVELS AND HOMA-IR INDEX IN METABOLIC SYNDROME RATS”. Romanian Journal of Diabetes Nutrition and Metabolic Diseases, Vol. 27, no. 1, Mar. 2020, pp. 16-24, http://www.rjdnmd.org/index.php/RJDNMD/article/view/704.