000 00482nam a2200181 a 4500
005 20241022063655.0
008 041029s1997 mx r 000 0 spa d
020 _a970180046X
035 _aUPN01000136075
049 _aCG
050 4 _aHV40
_bC3.8
100 1 _aCastro Abitia, Héctor
245 1 0 _aServicio social continuo y terminal /
_cHéctor Castro Abitia.
260 _aMéxico :
_bIPN,
_c1997.
300 _a217 p.
650 4 _aServicio social
_96246
905 _aLibro
999 _c108226
_d108226