Ruthenberg, Hans
Innovation policy for small farmers in the tropics : the economics of technical innovations for agricultural development Hans Ruthenberg - Oxford: Clarendon Press, 1985. - xii, 176p.
Includes bibliography and index
eng
0198594879
Hans E. Jahnke (ed.)
338.16 / RUI
Innovation policy for small farmers in the tropics : the economics of technical innovations for agricultural development Hans Ruthenberg - Oxford: Clarendon Press, 1985. - xii, 176p.
Includes bibliography and index
eng
0198594879
Hans E. Jahnke (ed.)
338.16 / RUI