Kurniawan, Lutfi Cahya, and Indah Wahyuni. “Development of E-Worksheet Based on Engineering Design Process for Composition Function Material”. Research and Development in Education (RaDEn) 4, no. 1 (March 10, 2024): 162–175. Accessed June 30, 2024. https://ejournal.umm.ac.id/index.php/raden/article/view/32204.