| 000 | 00427aam a22001931a 4500 | ||
|---|---|---|---|
| 001 | YPZ15717 | ||
| 003 | YPZ | ||
| 005 | 20190403132331.0 | ||
| 008 | 061011|###########||||||b||||||||||spa|d | ||
| 020 | _a8471120992 | ||
| 040 | _cSIUNPA | ||
| 044 | _aAR | ||
| 080 | _a37.012 BES | ||
| 100 | _aBest J:W:. | ||
| 245 | _aComo investigar en educacion | ||
| 250 | _a3a ed. | ||
| 260 |
_aMadrid _b : Morata _c , 1974 |
||
| 942 | _cBK | ||
| 999 |
_c14964 _d14964 |
||