Yunita, Zaini M, Kaspul. Quality of Electronic Student Worksheets on The Concept Ferns (Pteridophyte) to Improve High School Level Critical Thinking Skills. Islamic JISE [Internet]. 2022 Jul. 30 [cited 2024 May 19];1(2):94-102. Available from: https://jurnalfaktarbiyah.iainkediri.ac.id/index.php/ijise/article/view/284