HADI, Samsul; WIJAYA, Suratman. SECONDARY STUDENTS OF DIFFICULTIES IN MATHEMATICAL PROBLEMS SOLVING. Jurnal Ilmiah Global Education, [S. l.], v. 1, n. 1, p. 39–46, 2020. DOI: 10.55681/jige.v1i1.33. Disponível em: https://rizkimandirikontruksi.com/ojs/index.php/jige/article/view/33. Acesso em: 11 aug. 2026.