Iriyani, Sisca Yuni, Eko Darmanto, and Santoso. “Development of Electronic Teaching Material Based on Professional Flip Pdf to Improve Student Learning Outcomes”. Uniglobal Journal of Social Sciences and Humanities 1, no. 2 (September 30, 2022): 49–53. Accessed November 22, 2024. https://ujssh.com/index.php/ujssh/article/view/34.