00817nam 2200277 450 99627034860331620200424195424.00-471-97444-720181015d1977----km y0itay5003 baengGBa 00 yRequirements engineeringa good practice guideIan Sommerville and Pete SawyerChichester [etc.]John Wiley & Sons1977XI, 391 p.ill.24 cmIngegneria dei sistemiBNCF620.0011SOMMERVILLE,Ian27442SAWYER,Pete756615ITcbaREICAT996270348603316620.001 SOM 1404446 Sci.620.00100332978BKSCIRequirements engineering1534590UNISA