SAHOO, S.; MAHAPATRA, R. K. E-Resources Usage and Return on Investment (ROI) Analysis of Selected Libraries of Odisha. Library Waves , [S. l.], v. 5, n. 2, p. 42–50, 2019. Disponível em: http://librarywaves.com/index.php/lw/article/view/81. Acesso em: 4 apr. 2025.