Rahmadhani, P. A., Farahsanti, I. and Ariyanto, E. (2024) “Increasing Students’ Activity and Understanding of Concepts in Mathematics Learning Using Lesson Study-Based PBL”, Jurnal Pendidikan Matematika (JPM), 10(2), pp. 185–191. doi: 10.33474/jpm.v10i2.21867.