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Original Article. An evaluation of some eco-friendly biopes..:

Abdel-Razek Atef S ; El-Ghany Nesreen M. Abd ; Djelouah Khaled.
http://www.degruyter.com/view/j/jppr.2016.57.issue-1/jppr-2017-0002/jppr-2017-0002.xml?format=INT.  , 2016