KHALEEL, A. A. The Effect Of PQ4R Strategy On The Achievement Of First – Year – Intermediate Stage Students Achievement In Mathematics And Developing Their Science Process Skills. Journal of Tikrit University for Humanities, [S. l.], v. 26, n. 11, p. 485–510, 2019. DOI: 10.25130/jtuh.26.11.2019.23. Disponível em: https://jtuh.org/index.php/jtuh/article/view/907. Acesso em: 10 sep. 2026.