00495nam a2200181Ia 4500 CTU_127270 210402s9999 xx 000 0 und d 005.1 S697 Sommerville, Ian Software engineering Ian Sommerville Wokingham, England Addison-Wesley Publishing Co. c1992 Software engineering Hiếu Trung tâm Học liệu Trường Đại học Cần Thơ