@article{IJISR-17-026-09,
author = {Fatima Zahra ABRAOUZ and Cheikh Naama MA ELAININ},
title = {{}},
journal = {International Journal of Innovation and Scientific Research},
volume = {31},
year = {2017},
pages = {216--224},
issue = {2},
number = {2},
issn = {2028-9324},
url = {http://www.ijisr.issr-journals.org/abstract.php?article=IJISR-17-026-09},
abstract_html_url = {http://www.ijisr.issr-journals.org/abstract.php?article=IJISR-17-026-09},
pdf_url = {http://www.issr-journals.org/xplore/ijisr/0031/002/IJISR-17-026-09.pdf},
document_type={Article},
source={www.issr-journals.org}
}