2024-03-28T18:17:27Zhttp://dspace.ups.edu.ec/oai/requestoai:dspace.ups.edu.ec:123456789/93442015-06-16T21:42:23Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5466oai:dspace.ups.edu.ec:123456789/93272015-06-16T21:43:02Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5466oai:dspace.ups.edu.ec:123456789/93452015-06-16T21:42:09Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5466oai:dspace.ups.edu.ec:123456789/93262015-06-16T21:43:13Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5466oai:dspace.ups.edu.ec:123456789/93292015-06-16T21:42:34Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5466oai:dspace.ups.edu.ec:123456789/93252015-06-16T21:43:27Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5466oai:dspace.ups.edu.ec:123456789/93282015-06-16T21:42:50Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5466