Sumual, G. J., B. Pinontoan, and L. A. Latumakulita. “GUI Application to Setup Simple Graph on the Plane Using Tkinter of Python”. d\’Cartesian: Jurnal Matematika Dan Aplikasi, vol. 10, no. 1, July 2021, pp. 8-14, doi:10.35799/dc.10.1.2021.32138.