2024-03-28T15:56:43Zhttp://dspace.ups.edu.ec/oai/requestoai:dspace.ups.edu.ec:123456789/82972015-04-10T19:27:51Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/82942015-04-10T19:19:33Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/83072015-04-10T19:42:07Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/83122015-04-10T19:53:27Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/83042015-04-10T19:37:33Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/83002015-04-10T19:31:46Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/83102015-04-10T19:46:43Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/82932015-04-10T19:16:20Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/83112015-04-10T19:49:54Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479oai:dspace.ups.edu.ec:123456789/82952015-04-10T19:23:57Zcom_123456789_5416com_123456789_5394com_123456789_5388col_123456789_5479