Benmebarek Farah and Boulehouache Allaoua 2024. THE DEVELOPMENT OF SHADOW REGIONS AT THE PROVINCE OF CONSTANTINE CASE OF THE MUNICIPALITY OF AIN SMARA. International Journal of Innovative Technologies in Social Science. 1(41) (Mar. 2024). DOI:https://doi.org/10.31435/rsglobal_ijitss/30032024/8121.