http://akeame.com/dev2/pdf/1.3.pdf
http://www.ibtra.com/pdf/editors_note_v4_n1.pdf
http://www.ibtra.com/pdf/article4_v4_n1.pdf
http://www.kantakji.com/fiqh/Files/Markets/9006.pdf
http://islamiccenter.kaau.edu.sa/arabic/Magallah/Pdf/19_1/191-BReveiw_11.pdf
http://islamiccenter.kau.edu.sa/arabic/Magallah/Pdf/18_2/18-2-Shashi_05.pdf
http://media.routledgeweb.com/pdf/9780415485760/9780415485760.pdf
http://www.kyokuto-bk.co.jp/detailpdf/ks3324.pdf
http://www.amssuk.com/docs/pdf/AMSSUK%20-%20NewsLetter1.pdf
http://www.kau.edu.sa/Files/320/Researches/46660_18233.pdf
http://www.ibtra.com/pdf/editors_note_v4_n1.pdf
http://www.ibtra.com/pdf/article4_v4_n1.pdf
http://www.kantakji.com/fiqh/Files/Markets/9006.pdf
http://islamiccenter.kaau.edu.sa/arabic/Magallah/Pdf/19_1/191-BReveiw_11.pdf
http://islamiccenter.kau.edu.sa/arabic/Magallah/Pdf/18_2/18-2-Shashi_05.pdf
http://media.routledgeweb.com/pdf/9780415485760/9780415485760.pdf
http://www.kyokuto-bk.co.jp/detailpdf/ks3324.pdf
http://www.amssuk.com/docs/pdf/AMSSUK%20-%20NewsLetter1.pdf
http://www.kau.edu.sa/Files/320/Researches/46660_18233.pdf