00290nam a2200121 a 450000500170000000800410001703500190005810000280007722200100010524500270011530000100014236200160015220210219153031.0991125n 000 0 spa u aUPN01000073783 aGarza, Ma. Teresa de la aDIDAC aEducacioĢn en valores a18-19 a1993 No. 22