Rossafi, Mohamed, Hafida Massit, and Abdelkarim Kari. 2022. “Generalized Rational $ \alpha_{\ast}- $ Contraction in $ C^{\ast}- $algebra-Valued B-Metric Spaces”. Jurnal Matematika, Statistika Dan Komputasi 19 (1):33-50. https://doi.org/10.20956/j.v19i1.21301.