Kharisma Purwanto, Kriesna, and Fitroh Resmi. “The Development of Mathematics for Chemistry Textbook Based on Flipbook As an Alternative Learning Resources”. KnE Social Sciences 9, no. 8 (April 3, 2024): 258–268. Accessed February 6, 2025. http://thrillriftranks.com/index.php/KnE-Social/article/view/15556.