Wulur, A., Pinontoan, B., & Mananohas, M. (2015). Rectilinear Monotone r-Regular Planar Graphs for r = {3, 4, 5}. d\’Cartesian: Jurnal Matematika Dan Aplikasi, 4(1), 103–113. https://doi.org/10.35799/dc.4.1.2015.8318