1.
Siswanto DH, Maretha DGA, Alghiffari EK. Development of Student Worksheets Assisted by Flipbook Based on the Scientific Approach for Systems of Linear Equations with Two Variables Material. ASPEN [Internet]. 2024Nov.24 [cited 2025Jul.12];4(2):1-9. Available from: https://journalarsvot.com/index.php/aspen/article/view/454