Indryantika, Nessy, Sri Gemawati, and Kartini Kartini. 2025. “DERIVATIONS OF PSEUDO BE-ALGEBRAS”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan 19 (3), 1565-74. https://doi.org/10.30598/barekengvol19iss3pp1565-1574.