2024-03-29T11:28:32Zhttp://ri.uaemex.mx/oai/requestoai:ri.uaemex.mx:20.500.11799/624862016-11-24T18:57:36Zcom_20.500.11799_59126com_20.500.11799_21968com_20.500.11799_21939com_20.500.11799_40546col_20.500.11799_59127oai:ri.uaemex.mx:20.500.11799/624872016-11-24T19:01:03Zcom_20.500.11799_59126com_20.500.11799_21968com_20.500.11799_21939com_20.500.11799_40546col_20.500.11799_59127