M. Tamur, S. Ndiung, A. Nurjaman, and J. Pereira, “Do differences in measured mathematical abilities moderate the effectiveness of the realistic mathematics education approach? Meta-analysis studies”, J. Math Educ. Nusant. Wahana Publ. Karya Tulis Ilm. di Bid. Pendidik. Mat., vol. 7, no. 1, pp. 12-25, May 2021.