8Yuxian L,Chiping J. Current use of foreign printperiodi- cals in Chinese librariesand measures to increase theutil- ity of these publications[J].Library Management,2009,30(special issue) :26--37.
9Rata M,Kraf M. Use of QR Codes to Promote E-Books in Medical Libraries[J]. Journal of Electronic Resources in Medical Libraries, 2015,12, ( 1 ) : 11 - 24.
10Ewe A. Orientation Entation Using QR Codes: iPads In The Library[J]. Library Media Connection, 2014, 32 (5):52.