R. Anggraini, R. Sundari, R. H. R. M. S. A. “The Study of Drying Kinetics of Uncaria Gambir Roxb Leaves Applying Convective Desiccant Drying”. International Journal of Advanced Science and Technology, Vol. 29, no. 3, Jan. 2020, pp. 739 -49, http://sersc.org/journals/index.php/IJAST/article/view/4139.