Hussain, Zaheer, Dr. Sheikh Tariq Mehmood, and Prof. Dr. Muhammad Aslam Asghar. 2022. “Effect of 7 E’S Model on Problem Solving Ability of Students in Mathematics at Secondary Level”. International Research Journal of Education and Innovation 3 (1):93-104. https://doi.org/10.53575/irjei.v3.01.9(22)93-104.