2024-03-29T10:42:51Zhttp://ri.uaemex.mx/oai/requestoai:ri.uaemex.mx:20.500.11799/646292017-05-23T17:19:41Zcom_20.500.11799_64432com_20.500.11799_64430col_20.500.11799_64447oai:ri.uaemex.mx:20.500.11799/646342017-05-23T17:19:41Zcom_20.500.11799_64432com_20.500.11799_64430col_20.500.11799_64447oai:ri.uaemex.mx:20.500.11799/646412017-05-23T17:19:40Zcom_20.500.11799_64432com_20.500.11799_64430col_20.500.11799_64447