Hadik, Karima, Mohammed EL GHACHI, Mouhsine IDALI, Abdelkader TAYRI, and Mohammed SAISSI. 2024. “ The Methodology of Formulating Research Problem and Hypotheses”. Ibn Khaldoun Journal for Studies and Researches 4 (8). https://doi.org/10.56989/benkj.v4i8.1129.