Twahirwa JN, Ntivuguruzwa C, Twizeyimana E, Shyiramunda T. Effect of project-based learning: learners’ conceptualization and achievement in science education. Af. J. Educ. Stud. Math. Sci. [Internet]. 2021 Dec. 31 [cited 2026 Aug. 27];17(1):17-35. Available from: https://www.ajol.info/index.php/ajesms/article/view/219545