A study on W9-curvature tensor within the framework of Lorentzian para-Sasakian manifold. Extracta Mathematicae, [S. l.], v. 40, n. 1, p. 43–56, 2025. DOI: 10.17398/2605-5686.40.1.43. Disponível em: https://revista-em.unex.es/index.php/EM/article/view/2605-5686.40.1.43.. Acesso em: 14 jun. 2025.