Cherfaoui, R. (2019). BEHAVIORAL PROBLEMS COMMON TO SECONDARY SCHOOL PUPILS AND CLASSIFICATION THROUGH THE RESULTS OF PREVIOUS STUDIES : 2019 / 04 / 11 : القبول تاريخ 2018 / 12 / 21 تاريخ الاستلام . Human Resources Development Research, 14(01), 278–301. Retrieved from https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/579