Cherfaoui, Rabah. “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, vol. 14, no. 01, May 2019, pp. 278-01, https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/579.