Seminar on Industrial Pollution and Remedied ( 31st Aug 1974 )
Institute of Engineers India ( Tamil Nadu Centre )
Seminar on Industrial Pollution and Remedied ( 31st Aug 1974 ) - Inst of Engg, Poona - pp 82; 27*22
G:(D854Oa855)p2/N74/B09817
Seminar on Industrial Pollution and Remedied ( 31st Aug 1974 ) - Inst of Engg, Poona - pp 82; 27*22
G:(D854Oa855)p2/N74/B09817