2024-03-29T15:43:38Zhttp://dspace.ups.edu.ec/oai/requestoai:dspace.ups.edu.ec:123456789/92562015-06-08T21:43:24Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5460oai:dspace.ups.edu.ec:123456789/92542015-06-03T22:52:35Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5460oai:dspace.ups.edu.ec:123456789/92532015-06-03T22:48:46Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5460oai:dspace.ups.edu.ec:123456789/92582015-06-03T23:00:23Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5460oai:dspace.ups.edu.ec:123456789/92572015-06-03T22:58:51Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5460oai:dspace.ups.edu.ec:123456789/92552015-06-03T22:55:38Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5460oai:dspace.ups.edu.ec:123456789/92592015-06-03T23:01:54Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5460oai:dspace.ups.edu.ec:123456789/92522015-06-03T22:43:47Zcom_123456789_5417com_123456789_5394com_123456789_5388col_123456789_5460