Qayum, A. (1964). Cumulative marginal productivity, life of plants and the optimal technology. The Institute of National Planning.
Chicago Style (17th ed.) CitationQayum, Abdul. Cumulative Marginal Productivity, Life of Plants and the Optimal Technology. Cairo: The Institute of National Planning, 1964.
MLA (9th ed.) CitationQayum, Abdul. Cumulative Marginal Productivity, Life of Plants and the Optimal Technology. The Institute of National Planning, 1964.
Warning: These citations may not always be 100% accurate.