Sackman, H. (1973). Preliminary investigation of real-world problem solving with and without computers. The Rand Corporation.
Chicago Style (17. basım) AtıfSackman, Harold. Preliminary Investigation of Real-world Problem Solving with and Without Computers. Sta. Monica, Ca: The Rand Corporation, 1973.
MLA (9th ed.) AtıfSackman, Harold. Preliminary Investigation of Real-world Problem Solving with and Without Computers. The Rand Corporation, 1973.
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