BING, W. Nanjing Library’s Reference Service Yesterday, Today and Tomorrow. Advances in Social Sciences Research Journal, [S. l.], v. 5, n. 6, 2018. DOI: 10.14738/assrj.56.4520. Disponível em: https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/4520. Acesso em: 26 apr. 2024.