India. Central Pollution Control Board. (1993). Comprehensive industry document on glass industry. Central Pollution Control Board.
Chicago-viite (17. p.)India. Central Pollution Control Board. Comprehensive Industry Document on Glass Industry. Delhi: Central Pollution Control Board, 1993.
MLA-viite (8. p.)India. Central Pollution Control Board. Comprehensive Industry Document on Glass Industry. Central Pollution Control Board, 1993.
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