Khaled MAMOUN and Imad BOUKLACHI, “Assessing the Impact of the Emergency Programme for Shadow Areas on Achieving Local Development (2020–2023): A Statistical Approach Using Principal Component Analysis (PCA) — The Case of Sidi Abdelghani Municipality, Tiaret Province”., Cad. Pós-Grad. Direito Polít. Econ., vol. 26, no. 1, pp. 2083–2107, Jun. 2026.