IptekInovator 105To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoIptekCarissa Paramita18.04.201418 April 2014Fokus Inovator pekan ini: teknik meredam suara bising, bahaya efek cemaran cahaya, dan app kesehatan.https://p.dw.com/p/1BkfNIklan