FITRIANI, E. "EF” Method to Determine Books Inventory Number on Book Acquisition at Library of Lampung Unversity case study : acquisition book at 2012 and 2013. Record and Library Journal, [S. l.], v. 2, n. 1, p. 35–42, 2018. DOI: 10.20473/rlj.V2-I1.2016.35-42. Disponível em: https://e-journal.unair.ac.id/RLJ/article/view/7218. Acesso em: 3 jun. 2025.