Asking looking playing making
Buku Teks
Woodworth, James R.
Camelot : a role playing simulation of political decision making
Thomson wadsworth, 2006
Buku Teks
Shaffel, Fannie R.
Role-playing for social values : decision-making in the social studies
Prentice-Hall, 1967
Buku Teks
Windchy, Eugene G.
Tonkin Gulf / Eugene G. Windchy
Doubleday & Co., 1971
Buku Teks SO
Payne, Stanley Le Baron
The Art of asking questions
Princeton University Press, 1951
Buku Teks