2024-03-28T14:30:12Zhttp://dspace.ups.edu.ec/oai/requestoai:dspace.ups.edu.ec:123456789/167512019-01-25T22:04:02Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167462019-01-25T20:37:55Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167532019-01-25T22:41:56Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167482019-01-25T21:03:25Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167542019-01-25T22:46:01Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167502019-01-25T21:45:18Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167522019-01-25T22:17:49Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167492019-01-25T21:20:27Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167552019-01-25T22:55:36Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678oai:dspace.ups.edu.ec:123456789/167472019-01-25T20:46:13Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_16678