Comprehensive Billing System of Department of Science and Technology, Telecommunications Office-Region X
BENITO, M., GAMALO, D., VIERNES, G., TONGCO, JR., C..
Comprehensive Billing System of Department of Science and Technology, Telecommunications Office-Region X.
Advancing Information Technology Research, North America, 4,
mar. 2012. Available at: <http://asianscientificjournals.com/publication/index.php/aitr/article/view/328>. Date accessed: 14 Aug. 2020.