Millbower, Lenn
Using music as a training tool: instructional systems development
American Society for Training and Development Press, 2004
 eBooks
Alternative signification exploring the use of semiotics to teach critical thinking/reading Remedios Z. Miciano
 Artikel Jurnal
The use of english instructional media for students of the elementary school
 Artikel Jurnal
Tool use in animals : cognition and ecology
edited by Crickette M. Sanz, Josep Call, Christophe Boesch
Cambridge University Press, 2014
 Buku Teks SO
Alfaro-LeVevre, Rosalinda
Applying nursing process a tool for critical thinking
J.B. Lippincott, 2006
 Buku Teks SO