Highway Research Board. (1970). Principles of project scheduling and monitoring. Highway Research Board.
Tohutoru Kātū Chicago (17th ed.)Highway Research Board. Principles of Project Scheduling and Monitoring. Washington, D.C: Highway Research Board, 1970.
Tohutoro MLA (9th ed.)Highway Research Board. Principles of Project Scheduling and Monitoring. Highway Research Board, 1970.
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