Syahrani, A., D. W. T. Putra, and A. Rahma. “GPS-BASED TRACKING IN ARMAPS: THE EFFECT OF DEGREE SLANT SMARTPHONE TO DISPLAY AUGMENTED REALITY OBJECTS”. Jurnal Teknik Informatika (Jutif), Vol. 2, no. 1, Jan. 2021, pp. 43-49, doi:10.20884/1.jutif.2021.2.1.45.