Esallehi, meryem yasmin, and lamia haouam. “Real Options Approach Asa Modern Mechanism Toraise the Efficiency of Financial Evaluation of Projects Andrationalize Investment Decisions. –A Study of a Project to Develop a Nitrogen Protoxide Production Unit at the Lind Gaz Company OfOuargla”. Dirassat Journal Economic Issue, Vol. 12, no. 1, Jan. 2021, pp. 121-4, doi:10.34118/djei.v12i1.1142.