, A., , Z. (2013). The Economic analysis Of The Effects Of The Pollution caused by petroleum industries on The Indices Of The Countries Of The Highly- Environmental Performance. kirkuk university journal for scientific studies, 35(114), 135-154.
Ayad B. Al-Chalabi ; Zeinab Fadhil Al-Izee . "The Economic analysis Of The Effects Of The Pollution caused by petroleum industries on The Indices Of The Countries Of The Highly- Environmental Performance". kirkuk university journal for scientific studies, 35, 114, 2013, 135-154.
, A., , Z. (2013). 'The Economic analysis Of The Effects Of The Pollution caused by petroleum industries on The Indices Of The Countries Of The Highly- Environmental Performance', kirkuk university journal for scientific studies, 35(114), pp. 135-154.
, A., , Z. The Economic analysis Of The Effects Of The Pollution caused by petroleum industries on The Indices Of The Countries Of The Highly- Environmental Performance. kirkuk university journal for scientific studies, 2013; 35(114): 135-154.