Habyarimana, J. de D. ., A. . Mugabonake, E. . Ntakirutimana, T. . Hashakimana, E. . Ngendahayo, F. . Mugiraneza, and K. . Zhou. “Matthew Effect and Achievement Gap in Rwandan Basic Education”. International Journal of Learning, Teaching and Educational Research, vol. 22, no. 4, Apr. 2023, pp. 242-66, https://www.ijlter.myres.net/index.php/ijlter/article/view/1587.