Tarone, Elaine
Focus on the language learner : approaches to identifying and meeting the needs of second language learners
Oxford University Press, 1991
 Buku Teks
Tobey, Deborah Davis
Data collection for needs assessment: measurement & evaluation
American Society for Training & Development, 2007
 eBooks
Wastewater collection systems management
Water Environment Federation. Wastewater Collection Systems Management Task Force.
McGraw-Hill, 2010
 Buku Teks
Johnson, Peggy
Fundamentals of collection development and management
[American Management Association, ], 2009
 eBooks
Non-Standard collection management
edited by Michael Pearce
Ashgate, 1992
 Buku Teks