Pinandito, A., A. P. Kharisma, and R. S. Perdana. “Framework Design for Map-Based Navigation in Google Android Platform”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 10, no. 1-8, Feb. 2018, pp. 35-40, https://jtec.utem.edu.my/jtec/article/view/3731.