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PROBLEMS OF CITY MANAGEMENT AND ECOLOGICALLY SUSTAINABLE CITY ENVIRONMENTS
(Intsitute for Policy Studies, Johns Hopkins University, 1992-05)
PLANNING TO PROTECT THE ENVIRONMENT: An American European Comparative Study
(Intstitute for Policy Studies, Johns Hopkins University, 1993-05)
UPGRADING THE EXISTING OR DESIGNED WATER TREATMENT PLANTS
(Institute for Policy Studies, Johns Hopkins University, 1994-05)