https://jdmr.edu.ec/stm-achievement/certificate-1/2015-12-09T23:50:45-05:00https://jdmr.edu.ec/stm-achievement/certificate-2/2015-12-09T23:51:11-05:00https://jdmr.edu.ec/stm-achievement/certificate-3/2015-12-09T23:51:26-05:00https://jdmr.edu.ec/stm-achievement/certificate-4/2016-04-05T05:08:52-05:00https://jdmr.edu.ec/stm-achievement/certificate-5-2/2016-04-08T04:14:42-05:00https://jdmr.edu.ec/stm-achievement/certificate-6-2/2016-04-08T04:14:58-05:00