2024-03-29T12:34:52Zhttp://ri.uaemex.mx/oai/requestoai:ri.uaemex.mx:20.500.11799/646652017-05-23T17:19:43Zcom_20.500.11799_64432com_20.500.11799_64430col_20.500.11799_64454oai:ri.uaemex.mx:20.500.11799/646682017-05-23T17:19:43Zcom_20.500.11799_64432com_20.500.11799_64430col_20.500.11799_64454oai:ri.uaemex.mx:20.500.11799/646702017-05-23T17:19:42Zcom_20.500.11799_64432com_20.500.11799_64430col_20.500.11799_64454