00276nam a2200121   45000010006000000050017000069000010000231000031000332450029000647730037000939420007001309990017001379325420260918153900.0  a74417  aRAMÍREZ REYNOSO, Braulio  aEl sector social laboral  gE030.113 C7562 1985. 409-420 pp.  c16  c93254d93254