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The value of information and the value of theoretical models in crop response research
Perrin, Richard K. - In: American journal of agricultural economics 58 (1976) 1, pp. 54-61
Persistent link: https://www.econbiz.de/10002627461
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Fertilizer response information and income gains : the case of potatoes in Peru
Ryan, James G.; Perrin, Richard K. - In: American journal of agricultural economics 56 (1974) 2, pp. 337-343
Persistent link: https://www.econbiz.de/10002732729