WIDDHIHARTO, Rachmadi; ISAENI, Nita; MAYANGWURI, Sotya; PRAHMANA, Rully Charitas Indra; WIDODO, Sri Adi. Data-Driven Profiling of Teachers’ Competence in Numeracy Instruction: K-Means Clustering Analysis of “Gembira” Training Participants. Jurnal Riset Pendidikan Matematika, [S. l.], v. 13, n. 1, 2026. DOI: 10.21831/jrpm.v13i1.96924. Disponível em: https://journal.uny.ac.id/index.php/jrpm/article/view/96924. Acesso em: 2 jun. 2026.