Zeggai, Diab, and Bensekrane Boudali. “Social Capital: An Efficient Instrument for Sustainable Development (Algeria 1990 -2012)”. European Scientific Journal, ESJ 12, no. 25 (September 30, 2016): 415. Accessed July 17, 2024. https://eujournal.org/index.php/esj/article/view/8027.