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| 100 | 1 | _aMedina Lozano, Luis | |
| 245 | 1 | 0 |
_aMetodos de investigacion I y II _c/ Luis Medina Lozano |
| 250 | _a2a ed | ||
| 260 |
_aMexico _b: SEP _c, 2000 _c, c1994. |
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| 300 |
_a325p. pb. _b: il. tbs. |
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| 650 | 4 |
_aInvestigacion _x- Metodos |
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| 942 | _cMO | ||
| 999 |
_c232083 _d232083 |
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