Beer, J. (1987). Advantages, disadvantages and desirable characteristics of shade trees for coffee, cacao and tea.
Citación estilo ChicagoBeer, John. Advantages, Disadvantages and Desirable Characteristics of Shade Trees for Coffee, Cacao and Tea. 1987.
Deismireacht MLABeer, John. Advantages, Disadvantages and Desirable Characteristics of Shade Trees for Coffee, Cacao and Tea. 1987.
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