Abidin Arief Z, Firdaus Alviansyah Rinjani I, . . The Concept Mapping in Learning Strategies: an Experimental Study of the Effect of Learning Strategies and the Attitude of the Students Towards Subjects and Ethical Learning Outcomes. IJET [Internet]. 2018 Aug. 8 [cited 2024 Nov. 25];7(3.21):330-7. Available from: https://sciencepubco.com/index.php/ijet/article/view/17183