Marzuki, C. C., Sihombing, E. N. T., Abdussakir, A., & Rahma, A. N. (2020). Nilai Ketakteraturan Total dari Lima Copy Graf Bintang. Jurnal Fourier, 9(2), 75–83. Retrieved from https://fourier.or.id/index.php/FOURIER/article/view/116