Aurilia Hakim, Tri, Aditya Marianti, and Priyantini Widiyaningrum. “Development of SSCS Based Material of Biological Diversity to Improve Critical Thinking Ability”. Journal of Innovative Science Education 9, no. 2 (August 3, 2020): 220 - 226. Accessed May 4, 2024. http://journal.unnes.ac.id/sju/jise/article/view/34930.