Permana, Randy, Harkamysah Andrianof, and Riandana Afira. “Augmented Reality (AR) Sarana Promosi Obyek Pariwisata Jam Gadang Bukittinggi Dan Pantai Wisata Carocok Pesisir Selatan”. Indonesian Journal of Computer Science 7, no. 2 (October 31, 2018): 129-142. Accessed October 14, 2019. http://ijcs.stmikindonesia.ac.id/index.php/ijcs/article/view/81.