Obeidat, ‏​‏​‏​​‏​‏​​‏​‏​‏​‏​‏​‏ A. R. The Effectiveness of a Learning Program on Creative Problem Solving Model (CPS) in Developing Mathematical Skills for 10th Grade Students. JEPS 2018, 2 (26), 31-17. https://doi.org/10.26389/AJSRP.E141018.