Al-Maayta, Hiam Mohamed. “The Impact of Using the Previous and Acquired Knowledge Strategy in Increasing the Achievement for the Eighth-Grade Students at Al-Aqaba Governorate in Jordan”. Journal of Educational and Psychological Sciences, vol. 3, no. 19, Aug. 2019, pp. 40-20, https://doi.org/10.26389/AJSRP.H200119.