بوقلعة محمد, و مرزوق سليمان. 2023. "The Influence of Socio-Economic Status on Expenditure on Urban Mobility in the City of Bejaia". Khazzartech الاقتصاد الصناعي 12 (01):791-814. https://journals.univ-batna.dz/index.php/khazzartech/article/view/2700.