Van Duyn, Julia
Practical systems and procedures manual
Reston Publishing Company, Inc ., 1975
 Buku Teks SO
Justice, Thomas
The facilitator's fieldbook: step-by-step procedures,checklists and guidelines, samples and templates
American Management Association, 2006
 eBooks
Jain, Pradeep
Atlas of practical neonatal and pediatric procedures
Jaypee, 2013
 Buku Teks
Gallup, George
A Guide To Public Opinion Polls
Princeton University press, 1948
 Buku Teks
Practical procedures in elective orthopaedic surgery : pelvis and lower extremity
edited by Peter V. Giannoudis
Springer, 2012
 eBooks