Retnowati, F., Dwidayati, N. K. and Dewi, N. R. (2019) “The Implementation of CPS Learning Assisted with Problem Cards on The Ability to Solve Story Problems”, Journal of Primary Education, 8(6), pp. 351-357. Available at: https://journal.unnes.ac.id/sju/jpe/article/view/33685 (Accessed: 28March2024).