Anyarat Niyom และ Supaporn Kiattisin. (2015) Extended software development for time attendance system. Mahidol University:ม.ป.ท.Anyarat Niyom และ Supaporn Kiattisin. 2015. Extended software development for time attendance system. ม.ป.ท.:Mahidol University;Anyarat Niyom และ Supaporn Kiattisin. Extended software development for time attendance system. ม.ป.ท.:Mahidol University, 2015. Print.