2024-03-28T11:59:47Zhttp://dspace.ups.edu.ec/oai/requestoai:dspace.ups.edu.ec:123456789/81932015-04-09T19:31:51Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/82212015-04-09T20:08:31Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/82142015-04-09T19:54:35Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/81822015-04-09T19:18:45Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/81842015-04-09T19:24:37Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/82192015-04-09T20:02:17Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/81772015-04-09T19:12:12Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/82022015-04-09T19:48:44Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/81732015-04-09T19:05:22Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475oai:dspace.ups.edu.ec:123456789/81982015-04-09T19:39:38Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5475