SUSANTI, Novi; PUTRI, Ratu Ilma Indra; AISYAH, Nyimas; HARTONO, Hartono. Designing a STEM-Based Learning Trajectory for Understanding Median through Coffee pH Measurement Activities . Edumatica : Jurnal Pendidikan Matematika, [S. l.], v. 16, n. 1, p. 108–122, 2026. DOI: 10.22437/edumatica.v16i1.53661. Disponível em: https://www.online-journal.unja.ac.id/edumatica/article/view/53661. Acesso em: 22 apr. 2026.