wevideo:https:https://www.wevideo.com/hub/#media/ci/184136740
examtime:https://www.examtime.com/es-CO/p/678676
base de datos comercio electronico:https://docs.google.com/file/d/0B5-vzWxC3gxcbnByOTJyODUxSmM/edit
google maps:https://docs.google.com/file/d/0B5-vzWxC3gxcOXdHUUI4b05LWVk/edit