2024-03-29T11:02:12Zhttp://ri.uaemex.mx/oai/requestoai:ri.uaemex.mx:20.500.11799/647982017-05-23T17:19:38Zcom_20.500.11799_64433com_20.500.11799_64430col_20.500.11799_64441oai:ri.uaemex.mx:20.500.11799/648002017-05-23T17:19:38Zcom_20.500.11799_64433com_20.500.11799_64430col_20.500.11799_64441oai:ri.uaemex.mx:20.500.11799/648032017-05-23T17:19:37Zcom_20.500.11799_64433com_20.500.11799_64430col_20.500.11799_64441