Author Umer Khayyam
 
ORIGINAL RESEARCH

China-Pakistan Economic Corridor and the Impact of Coal-Based Energy Projects on Tropospheric Ozone in Pakistan
Ramsha Munir, Umer Khayyam
Pol. J. Environ. Stud. 2020;29(5):3729–3747
DOI: https://doi.org/10.15244/pjoes/112895
 
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ORIGINAL RESEARCH

Effects of Increasing Soil Fluoride on the Growth of Vegetation in the Vicinity of Brick Kilns: A Case Study from Rawalpindi, Pakistan
Rida Bano, Umer Khayyam, Sofia Khalid
Pol. J. Environ. Stud. 2020;29(2):1535–1544
DOI: https://doi.org/10.15244/pjoes/101610
 
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ISSN:1230-1485
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