Lathifah EL, man S. Design of Mathematics Student Worksheet based on Discovery Learning Approach to Improving Mathematical Representation Ability Students of Grade VII Junior High School in Indonesia. IJET [Internet]. 2018 Nov. 30 [cited 2024 May 5];7(4.30):26-30. Available from: https://www.sciencepubco.com/index.php/ijet/article/view/21996