(2016). PRACTICAL AND THEORETICAL STUDY OF AIR POLLUTION OF THE NORTH GAS COMPANY IN THE CITY OF KIRKUK. , 20(3), 40-58.
. "PRACTICAL AND THEORETICAL STUDY OF AIR POLLUTION OF THE NORTH GAS COMPANY IN THE CITY OF KIRKUK". , 20, 3, 2016, 40-58.
(2016). 'PRACTICAL AND THEORETICAL STUDY OF AIR POLLUTION OF THE NORTH GAS COMPANY IN THE CITY OF KIRKUK', , 20(3), pp. 40-58.
PRACTICAL AND THEORETICAL STUDY OF AIR POLLUTION OF THE NORTH GAS COMPANY IN THE CITY OF KIRKUK. , 2016; 20(3): 40-58.


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