ABD AL-KAREEM, Mahmood Sami; AL-MUKHTAR, Mumtaz. Nahrain Mobile Learning System (NMLS). Al-Khwarizmi Engineering Journal, [S. l.], v. 7, n. 2, p. 47–54, 2011. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/47. Acesso em: 9 jan. 2026.