Veni Rahayu, D. and Muhtadi, D. 2025. PCK Based Learning Design: Development Through Design Research to Improve Matematics Teachers’ Teaching Skills. Mosharafa: Jurnal Pendidikan Matematika. 14, 1 (Jan. 2025), 247–258. DOI:https://doi.org/10.31980/mosharafa.v14i1.2882.