Etiqueta de registo: 00311nx j2200109 45
001 83885
003 http://id.bnportugal.gov.pt/aut/catbnp/83885
095 ## $aPTBN00061201
100 ## $a19930209apory0103 ba
152 ## $bSIPOR
250 ## $aEnsino$xAnálise de custos-benefícios$yPortugal$z1986-1987
675 ## $a371"1986/1987"$vBN$zpor
675 ## $a338.45$vBN$zpor
801 #0 $aPT$bBN$c20050923