Jain, R., .Urban, L. V., & .Stacey, G. S. (1993). Environmental assessment. McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)Jain, R.K, L. V. .Urban, me G. S. .Stacey. Environmental Assessment. New York: McGraw-Hill, 1993.
Tohutoro MLA (9th ed.)Jain, R.K, et al. Environmental Assessment. McGraw-Hill, 1993.
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