taha, h. A. (1965). decisions theory: Decisions under certainty. National Planning Institute.
Tohutoru Kātū Chicago (17th ed.)taha, hamdy A. Decisions Theory: Decisions Under Certainty. cairo: National Planning Institute, 1965.
Tohutoro MLA (9th ed.)taha, hamdy A. Decisions Theory: Decisions Under Certainty. National Planning Institute, 1965.