et. al., Prof. Dr. Hashim Mohammed Hamza,. (2021) 2021. “The Effect of Using The Sketch Pad Program on The Higher Thinking Skills of The Technical Institute Students in A Mathematics’ Subject”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (13):4239-50. https://doi.org/10.17762/turcomat.v12i13.9427.