Aouadi, A., Mraoui, R., & Aouadi, M. (2019). Contribution of the green marketing mix to sustainable development Study of a sample of employees of EL-Zahra Hydro-oil Foundation in Wilayat of the El-Oued. Finance and Business Economies Review, 3(3), 637–653. https://doi.org/10.58205/fber.v3i3.1201