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نمایش تعداد 81-90 از 207

Second National Conference Clean Energy (6)
The 1st national conference on solutions to access sustainable development in agriculture,natural resources and the environment (1)
The 8th National Congress on Agr. Machinery Eng. (Biosystem) & Mechanization of Iran (1)
The first international congress of specialized research in science, engineering and university technology (1)
The First National Conference on Environment, Energy and Biodefense (1)
The Second National Conference on Planning and Environmental Protection (1)
اقتصاد پولی، مالی (1)
اولین همایش تخصصی محیط زیست، انرژی و صنعت پاک (1)
اولین همایش تخصصی مهندسی محیط زیست (1)
اولین همایش سراسری محیط زیست، انرژی و پدافند زیستی (2)