1. The future of operations research is past;Ackoff;Journal of Operational Research Society,1979
2. Theory in practice: Increasing professional effectiveness;Argyris,1974
3. Some results of a study of conscious thought-processes in classroom situations;Bloom,1951
4. Thought processes in lectures and discussions;Bloom;Journal of General Education,1953
5. The thought processes of students in discussions;Bloom,1954