BOUMEDIAN, Z. and AISSANI, N. 2021. The effectiveness of teamwork and its role in Strengthening the strategy of the Algerian foundation: A field study in the main unit of civil protection in laghouat. Social Sciences Journal. 15, 2 (Sep. 2021), 189-209. DOI:https://doi.org/10.34118/ssj.v15i2.1565.