@article{IJIAS-17-149-04,
author = {Jean Willy Ndemi Kyling and Constantin Lubini Ayingweu},
title = {{}},
journal = {International Journal of Innovation and Applied Studies},
volume = {21},
year = {2017},
pages = {603--611},
issue = {4},
number = {4},
issn = {2028-9324},
url = {http://www.ijias.issr-journals.org/abstract.php?article=IJIAS-17-149-04},
abstract_html_url = {http://www.ijias.issr-journals.org/abstract.php?article=IJIAS-17-149-04},
pdf_url = {http://www.issr-journals.org/xplore/ijias/0021/004/IJIAS-17-149-04.pdf},
document_type={Article},
source={www.issr-journals.org}
}