Shekhar, S. (2017). Environmental impact assessment (EIA) and environmental clearance (EC) at ONGC, western onshore basin, vadodara. Forest Research Institute.
Lua i Stíl Chicago (17ú heag.)Shekhar, Shashank. Environmental Impact Assessment (EIA) and Environmental Clearance (EC) at ONGC, Western Onshore Basin, Vadodara. Dehradun: Forest Research Institute, 2017.
Lua MLA (9ú heag.)Shekhar, Shashank. Environmental Impact Assessment (EIA) and Environmental Clearance (EC) at ONGC, Western Onshore Basin, Vadodara. Forest Research Institute, 2017.
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