Cioban, M., LUPU, I., & CIOBAN-PILEȚCAIA, A. (2019). THE ROLE OF MATHEMATICAL PROBLEMS IN THE DEVELOPMENT OF INTELLECTUAL ABILITIES OF STUDENTS. Acta Et Commentationes, Sciences of Education, 13(2), 14-26. https://doi.org/10.36120/2587-3636.v13i2.14-26