BHUSAL, T. R. Algebra and Logics. Journal of Institute of Science and Technology, [S. l.], v. 19, n. 2, p. 142–144, 2015. DOI: 10.3126/jist.v19i2.13869. Disponível em: https://nepjol.info/index.php/JIST/article/view/13869. Acesso em: 24 nov. 2024.