qayum, a. (1964). cumulative marginal productivity life of plants and the optimal technology. the institute of national planning.
Citazione stile Chigago Style (17a edizione)qayum, a. Cumulative Marginal Productivity Life of Plants and the Optimal Technology. cairo: the institute of national planning, 1964.
Citatione MLA (9a ed.)qayum, a. Cumulative Marginal Productivity Life of Plants and the Optimal Technology. the institute of national planning, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.