Dillon, John L Heady, Earl O
Agricultural production functions - Ludhiana, Kalyani Publishers 1961 - 670
Agricultural production function/ economic applications/ pork production function
338.16 HEA
100
Agricultural production functions - Ludhiana, Kalyani Publishers 1961 - 670
Agricultural production function/ economic applications/ pork production function
338.16 HEA
100