HOSSAIN, M. A. Structure of Endomorphism Semigroup of Endomappings of Some Particular Rooted Trees. Journal of Bangladesh Academy of Sciences, [S. l.], v. 39, n. 2, p. 169–175, 2015. DOI: 10.3329/jbas.v39i2.25950. Disponível em: https://banglajol.info/index.php/JBAS/article/view/25950. Acesso em: 17 jul. 2024.