000 00492nam a2200181Ia 4500
008 140128s9999 xx 000 0 und d
040 _besp Biblioteca CIESS
041 _aing
082 _a368.40971 .C128soc.. .
100 _aCanadá. Department of National Health and Welfare
245 _aSocial security in Canada.
260 _aOttawa
260 _bInformation Canada
260 _c1974
300 _a193 p., 23 cm.
500 _a008868
650 _aSeguridad social - Canadá
999 _c5719
_d5719