Pr. Yasser Ferkous , Dr. Gharbi Elhaouas. “The French Colonial Plan through the Railway Network from Biskra and Touggourt to Timbuktu”. Pegem Journal of Education and Instruction, vol. 15, no. 4, Sept. 2025, pp. 4948-53, https://www.pegegog.net/index.php/pegegog/article/view/4822.