Agizew, K. T. and Hurisa, S. S. (2018) “Research Based Mathematics Problem Solving and Proving skills Competences”, International Journal of Sciences: Basic and Applied Research (IJSBAR), 42(4), pp. 189–202. Available at: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/9368 (Accessed: 5 May 2024).