et. al, P. D. R. K. “UP-TO-DATE APPROACH OF TEACHING CRITICAL THINKING TO STUDENTS IN ADUCATIONAL PROCESS IN GJAKOVA REGION”. International Journal of Advanced Science and Technology, Vol. 29, no. 2, Jan. 2020, pp. 1514 -24, http://sersc.org/journals/index.php/IJAST/article/view/3392.