2024-03-28T23:43:58Zhttp://dspace.ups.edu.ec/oai/requestoai:dspace.ups.edu.ec:123456789/86872015-04-15T21:46:12Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474oai:dspace.ups.edu.ec:123456789/86842015-04-15T21:40:42Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474oai:dspace.ups.edu.ec:123456789/86862015-04-15T21:43:46Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474oai:dspace.ups.edu.ec:123456789/86912015-04-15T21:52:57Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474oai:dspace.ups.edu.ec:123456789/86932015-04-15T21:57:57Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474oai:dspace.ups.edu.ec:123456789/86892015-04-15T21:50:04Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474oai:dspace.ups.edu.ec:123456789/86922015-04-15T21:56:26Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474oai:dspace.ups.edu.ec:123456789/86822015-04-15T21:37:19Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474oai:dspace.ups.edu.ec:123456789/86812015-04-15T21:32:42Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5474