00663cam 2200229 450 1897146http://id.bnportugal.gov.pt/bib/porbase/189714620030524183000.00-12-518405-091625PTBN0080092319950911d1993 k y0pory0103 baengUSUsability enginneringJakob NielsenNew YorkAcademic Press1993XIV,358 p.24 cm.519.68BNpor292039681.3(043.2)BNpor300199NielsenJakob623047PTBNRPCBCE 681.3coopUMSDmq950025bccoopUMSD0FMH 18.891coopUTLMHmq950024bccoopUTLMH18.8910UTM6-3