Yanti, F. A., P. Partono, H. Kuswanto, and M. Mundilarto. “Improving Critical Thinking through Research Based Learning Model for Pre-Service Teacher”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 36, no. 3, Oct. 2017, pp. 134-40, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8210.