www.emerald.com
www.jstor.com
http://search.ebscohost.com/
www.repec.com
http://scholar.google.com.pk/schhp?hl=en&tab=ws
http://www.sciencedirect.com/
http://www.pdfebooksdownloads.com
The who will find any difficulty in downloading paper can give me URL and i will download that paper and will mail that person.