Ikram, Muhammad, Purwanto, and I Nengah Parta. “Analysis of The Occurrence of Reversible Reasoning for Inverse Cases: A Case Study on The Subject Adjie”. International Journal of Progressive Mathematics Education 1, no. 1 (March 9, 2021): 1–15. Accessed July 16, 2024. https://journal.uhamka.ac.id/index.php/ijopme/article/view/6635.