REFLECTIVE TEACHING DESIGN AND CASE ANALYSIS OF MATHEMATICS PROPOSITION COURSE IN MIDDLE SCHOOL—TAKE THE DECISION OF CONGRUENT TRIANGLE AS AN EXAMPLE . JOURNAL OF SONGKE MATH, [S. l.], v. 6, n. 1, p. 12–19, 2023. Disponível em: https://jurnal.unikastpaulus.ac.id/index.php/JSM/article/view/1669. Acesso em: 30 jul. 2026.