BEGUM, S.; RAHMAN, M. A Standard Modulo Priestley Topological Quasi-Variety. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 29, p. 35–41, 2011. DOI: 10.3329/ganit.v29i0.8513. Disponível em: https://banglajol.info/index.php/GANIT/article/view/8513. Acesso em: 18 sep. 2024.