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1.
Technological developments in lead and zinc production and their significance to development countries / United States, United Nations Industrial Development Organization by
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: New York : United Nations, 1970
Availability: Items available for loan: National Library of India (1)Call number: U.S 338.973 Un 3.

2.
Petrochemical industries in development countries : report of the interregional petrochemical symposium on the development of the petrochemical industries in developing countries / United States, United Nations Industrial Development Organization by
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: New York : United Nations, 1970-
Availability: Items available for loan: National Library of India (1)Call number: U.S 338.973 Un 3.

                                                                           
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