000 00675nam a2200313Ia 4500
001 1047
003 2093
005 20250306062546.0
008 ||||||n9999 ||| || ||
020 _a9682400627
041 _aspa
082 _219
_a301
100 _aCochran, William
_92098
245 0 _aDisenos experimentales
260 _aMéxico :
_bTrillas,
_c1980.
300 _a661p
562 _e2
650 _aDISENO
_9130
650 0 _aInvestigación científica
_9894
942 _cBKM
999 _c1047
_d1047
526 _a102618
526 _a15794
526 _a102619
526 _a102620
526 _a4969
526 _a19790
526 _a104436
526 _a1703