KUSAERI, K.; SUTINI, S.; SUPARTO, S.; WARDAH, F. The validity and inter-rater reliability of project assessment in mathematics learning. Beta: Jurnal Tadris Matematika, [S. l.], v. 12, n. 1, p. 1–13, 2019. DOI: 10.20414/betajtm.v12i1.266. Disponível em: http://jurnalbeta.ac.id/index.php/betaJTM/article/view/266. Acesso em: 3 may. 2026.