Sitorus, C. M., & Herawati, E. (2022). Fixed Point of Contractive Mappings in Cone Metric Space: Titik Tetap dari Fungsi Kontraktif pada Ruang Metrik Cone. Journal of Mathematics Technology and Education, 1(3), 257-268. https://doi.org/10.32734/jomte.v1i3.9766