HITHAISHINI, M. V. Library System for Elementary Education:Fourth Plan Period. Journal of Information and Knowledge, [S. l.], v. 2, n. 4, p. 385–387, 2000. DOI: 10.17821/srels/1965/v2i4/49154. Disponível em: https://srels.org/index.php/sjim/article/view/49154. Acesso em: 8 jan. 2025.