Welcome to the International Conference on Engineering and Technology for Sustainable Development (ICET4SD) 2015, which is as an event for the exchange of ideas, knowledge, and experience among researchers from academia and practitioners about the development of advanced and sustainable research. The conference will be consisted of keynote speaker session, parallel session, and also city touring, which provide an excellent experience for all participants. It is our great pleasure to organize the ICET4SD 2015 on November 11-12, 2015 in Yogyakarta, one of the most beautiful tourism city as well as a center of education, classical Javanese fine...