Proceedings of the 2nd International Conference on Applied Science, Engineering and Social Sciences Acronym: ICASESS 2019 Event held on: August 6-7, 2019, in Yogyakarta, Indonesia Editors: Siti Rochmah Ika 1 , Tomi Suryo Utomo 1 and Ferry Wahyu Wibowo 2 Affiliations: 1 Universitas Janabadra, Indonesia , 2 Universitas Amikom Yogyakarta, Indonesia ISBN: 978-989-758-452-7