Al- Otaibi, H.S. and Iraqi, A.-.S.M. 2019. The effectiveness of Using Flipped Classroom Strategy in Developing Algebraic Thinking Skills of Secondary Stage Female Students. Journal of Educational and Psychological Sciences. 3, 19 (Aug. 2019), 97–80. DOI:https://doi.org/10.26389/AJSRP.H260119.