Ibdah, Amal Ali, and Mohammad Walid Al- Shraidh. “ The Effectiveness of A Training Program Based on Flipped Learning Strategy in Achievement in Maths and Achievement Motivation Among Seventh Grade Female Students in Jordan”. Journal of Educational and Psychological Sciences, vol. 4, no. 13, Apr. 2020, pp. 70-47, https://doi.org/10.26389/AJSRP.A051119.