000
00307nam a22001457a 4500
005
20190212171216.0
008
190212b xxu||||| |||| 00| 0 eng d
022
_a
2500-6193
040
_a
n/a
041
_a
spa
082
_a
370
245
_a
Semana EducaciĆ³n
942
_2
ddc
_c
CR
999
_c
32044
_d
32044