Novriwidiyanti, A., R. H. Putri, and S. C. Ambag. “Mathematics Learning Motivation and Negative Academic Emotions in Elementary School: A Multivariate Examination of Grade-Level, Age, and Gender Differences”. GENFABET: Generasi Pendidikan Dasar, vol. 3, no. 1, Aug. 2026, pp. 17-39, doi:10.70152/genfabet.v3i1.438.