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https://www.cursosdesarrolloweb.es/course/curso-gratuito-de-angular-4-con-nodejs/
https://www.topbestalternatives.com/tuneup-utilities/
https://o7planning.org/en/11003/oracle-apex
https://risingstars.js.org/2018/en/
http://queryx7cvj.carvajal.com.co:8095/Queryx7D/ingresar.do
http://danielbrena.blogspot.com/2016/06/introduccion-sails-js-parte-2-creando.html
http://www.jlmonteagudo.com/2014/06/desarollo-de-un-api-rest-con-sails-js/
https://www.udemy.com/aprende-oracle-sql-desde-cero/   SQL-INICIO
https://www.udemy.com/aprende-oracle-plsql-12c-desde-cero/  PL-WEB
https://www.skillbuilders.com/free-oracle-apex-tutorials/oracle-apex-5-best-practices-tutorial/
https://www.udemy.com/create-web-apps-with-apex-5/?ranMID=39197&ranEAID=Qy2%2FiTgoBIc&ranSiteID=Qy2_iTgoBIc-KSMLx1UG.QjChGPOVLHcIQ&LSNPUBID=Qy2%2FiTgoBIc
https://www.udemy.com/oracle-application-express-oracle-apex-training/?ranMID=39197&ranEAID=Qy2%2FiTgoBIc&ranSiteID=Qy2_iTgoBIc-YHBwxTV6R8lOfq0azhCV0A&LSNPUBID=Qy2%2FiTgoBIc
https://github.com/ziishaned/learn-regex/blob/master/translations/README-es.md  REGULAR EXPRESSIONS
http://descubriendooracle.blogspot.com/
http://mundodb.es/instalacion-de-oracle-database-express-11g
http://queryx7cvj.carvajal.com.co:8095/Queryx7D/ingresar.do