Al-shaher OI, AL-asdi AA, Jawad HK. Covid-19 in Pseudo BH-algebra. Jour. Kufa Math. Comp. [Internet]. 2023 Mar. 31 [cited 2024 May 13];10(1):49-52. Available from: https://journal.uokufa.edu.iq/index.php/jkmc/article/view/12123