Document Type : Original Article
Shahidi Nejad, F. (2020). Sources of air pollution in metropolitan areas. The Scientific-Cultural Journal of Ecosphere, 4(2), 13–16.
Shahidi Nejad, F. "Sources of air pollution in metropolitan areas", The Scientific-Cultural Journal of Ecosphere, 4, 2, 2020, 13–16.
Shahidi Nejad, F. (2020). 'Sources of air pollution in metropolitan areas', The Scientific-Cultural Journal of Ecosphere, 4(2), pp. 13–16.
Shahidi Nejad, F., "Sources of air pollution in metropolitan areas." The Scientific-Cultural Journal of Ecosphere, 4 2 (2020): 13–16,
Shahidi Nejad F. Sources of air pollution in metropolitan areas. Ecosphere. 2020;4(2):13–16 (In Persian).
