Rawlinson, J. Geoffrey
Creative thinking and brainstorming
Gower, 1981
 Buku Teks
Ambrose, Gavin
Design thinking for visual communication
Bloomsbury Academic, 2015
 Buku Teks
Vrooman, Rona J.
Group process tools: teams & quality
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
 eBooks
Birch, Paul
Instant Leadership : 66 cara instan memiliki kepemimpinan praktis = Instant leadership
Erlangga, 2001
 Buku Teks
Pemberdayaan teknik bermain peran dalam upaya meningkatkan kompetensi argumentatif mahasiswa dalam mata kuliah seminar for language teaching
 Artikel Jurnal