Moh. Zaenudin Dedi Ismatullah, Muhamad Galang Isnawan, Addul Aziz, Sudirman Sudirman, and Riska Juniar Suprihatin. 2025. “Redesigning Number Pattern Instruction: A Didactical Design Grounded in Learning Obstacle Analysis for Junior High School Students”. Panicgogy International Journal 3 (2):64-79. https://doi.org/10.59965/pij.v3i2.41.