Umam, Ahmad Khairul, Nihaya Alivia C. Dewi, and Pukky Tetralian B. Ngastiti. 2022. “Existence and Uniqueness of Fixed Points in Cone Metric Spaces for ω-Distance”. Jurnal Matematika MANTIK 8 (2):105-12. https://doi.org/10.15642/mantik.2022.8.2.105-112.