A Quarter Symmetric Non-metric Connection in a Generalized Co-symmpletic Manifolds. Global Journal of Science Frontier Research, [S. l.], v. 11, n. 9, p. 51–57, 2011. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/100121. Acesso em: 6 feb. 2026.