المؤلف
India. Dept. of Chemicals and Fertilizers
2
India. Ministry of Chemicals and Fertilisers
2
Indonesia. Direktorat Jenderal Industri Kimia
2
American Iron and Steel Institute. Committee of Stainless Steel Producers
1
British Carbonization Research Association
1
British Library. Lending Division
1
India (Republic). National Committee on Science and Technology. Panel on Chemical Industry
1
India. Dept. of Chemicals & Petrochemicals
1
India. Ministry of Petroleum and Chemicals
1
India. Ministry of Petroleum and Chemicals. Economics & Statistics Division
1
India. Monitoring & Evaluation (Chem.) Cell
1
Tilak, B. D., 1918-
1