Fathiah Umriani, Suparman, Yahya Hairun , Diah Prawitha Sari. Analysis and Design of Mathematics Student Worksheets Based on PBL Learning Models to Improve Creative Thinking. IJAST [Internet]. 2020Apr.14 [cited 2024May4];29(7s):226 -37. Available from: http://sersc.org/journals/index.php/IJAST/article/view/9431