Sidjara, S., Irwan, I., Wahyuni, M.S. and Asni, A.A. 2021. Sekitar Teorema Diamond B-Aljabar. d’Cartesian. 10, 1 (Mar. 2021), 37–39. DOI:https://doi.org/10.35799/dc.10.1.2021.34920.