Ghassir Imane and Zerieb Salah 2025. THE MEDIUM-SIZED CITY AND THE CHALLENGE OF REGIONAL AND SPATIAL DEVELOPMENT COMPETITIVENESS THE CASE OF CITIES IN TÉBESSA PROVINCE. International Journal of Innovative Technologies in Social Science. 1(45) (Mar. 2025). DOI:https://doi.org/10.31435/ijitss.1(45).2025.3136.