RIAD, Shhaied. Fp-Projective and Fp-Cotorsion Modules. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 17, n. 1, p. 132–143, 2016. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/1367. Acesso em: 14 sep. 2025.