The Perceptible Speed and Its Relation to Metamemory among Students of College Of Education for Pure Sciences\ Ibn Al-Haytham. jperc [Internet]. 2018 Apr. 1 [cited 2025 May 6];15(57):270-98. Available from: https://jperc.uobaghdad.edu.iq/index.php/jperc/article/view/147