Atchia, M., & Tropp, S. (1995). Environmental management, issues and solutions ( Photostat copy).
Dyfyniad Arddull ChicagoAtchia, Michael, and Shawna Tropp. Environmental Management, Issues and Solutions ( Photostat Copy). New York, John Wiley and Sons, 1995.
Dyfyniad MLAAtchia, Michael, and Shawna Tropp. Environmental Management, Issues and Solutions ( Photostat Copy). 1995.
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