Vrooman, Rona J.
Group process tools: teams & quality
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
 eBooks
Scheerens, Jaap, editor
School leadership effects revisited: review and meta-analysis of empirical studies
Springer, 2012
 eBooks
Fisher, B. Aubrey, 1937-
Small group decision making : communication and the group process
McGraw-Hill, 1990
 Buku Teks
Fox, William M
Effective group problem solving/ William M Fox
Jossey Bass, 1987
 Buku Teks
Nadler, Gerald
Breakthrough thinking: the seven principles of creative problem solving/Gerald Nadler, Shozo Hibino
California Prima Publishing 1998.,
 Buku Teks