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Releases by Roy, G C Datta (Development Environergy Services Limited (DESL), New Delhi)

Cover for Roy, G C Datta (Development Environergy Services Limited (DESL), New Delhi) · Implementing Energy Efficiency in Industries (Paperback Book) (2026)
Paperback Book
Implementing Energy Efficiency i...
Roy, G C Datta (Development Envi...
Cover for Roy, G C Datta (Development Environergy Services Limited (DESL), New Delhi) · Implementing Energy Efficiency in Industries (Hardcover Book) (2024)
Hardcover Book
Implementing Energy Efficiency i...
Roy, G C Datta (Development Envi...