Mammeri mahfoud. Positive thinking and its relation to the motivation of learning among the students of third year of secondary education in the Wilaya of Msila A field study in Ain Al - Hadjel high-schools. J. Soc. Sci. Humanit [Internet]. 2020 Jan. 17 [cited 2026 Mar. 22];9(02):293. Available from: https://journals.univ-msila.dz/index.php/JOSSH/article/view/7990