Muhammadi, M. and Yulianti, N. 2023. Development of Teaching Materials Assisted by the Kvisoft Flipbook Maker Application to Improve Students Critical Thinking Skills. Jurnal Penelitian Pendidikan IPA. 9, SpecialIssue (Dec. 2023), 865–871. DOI:https://doi.org/10.29303/jppipa.v9iSpecialIssue.6213.