Alwy, M. B. and Nurdyansyah, N. (2022) “The Effect of Contextual Teaching and Learning Approaches on Learning Activities of Students in Science Subjects Subject Matter Changes in Form in Class V Students at School ”, Academia Open, 60, p. 10.21070/acopen.6.2022.2127. doi: 10.21070/acopen.6.2022.2127.