الفهرس 
المقدمهيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
Akino, M. and Hayami,Y (1975): Efficiency in public Reserch Rice brecding in Japan’s Economic
Development, American Jor, of Agric. Economics, Vol 57 Pp. 1-10.
2-Auer, H.A. and Schnell G.E. (1972): Soil Rates of Return and other xspects of Agriculture Researdi; The case of cotton Research in Soa- Panlo Brosil, American Jar. Of Agric. Economic, Vol. 54 Pp. 557-569.
3-Barletta, A.L. (1967): Costs and Socal Returns of Agric
Research in uexica, ph.D dissertation abstracts, Univ. of chicago.
4-Bredahl, M. and Peterson, W.L. (1976): The Productivity and allocation of Research: US Agric. Experiment
station. American. Jar. Of Agric.Economics , Vol. 58. Pp. 684-692.
5-Cline, P.L. (1975): Sources of prductivity change in United
states Agric. Ph.D. Thesis Abstracts, Oklahoma state Univ.
6-Evenson R.E& Tha, D (1973): The contribution of Agric. Research system to Agric. Production in India.
India Jar. Of Agric. Economics, Vol. 28 pp. 2 12- 230.
7-Evenson R.E. & Kislev, Y (1976): A stochastic Model of
applied Reseach, Jar of Political Economics, Vol. 84 no.2 april chicago Univ. Press.
8-Evenson, R.E. (1976): Agricultural Research and Extension
in Asia, India Jar. Of Agric. Economics, Vol 28 pp. 212-230.
9-Evenson, R.E. (1978): Research, Invention, Extension and
Productivity change in US Agric. Sympoium on research and Extension Evaluation, Moscow Idaho
pp.21-23.
10-Frederick Harbison, Education for Development, Scientific American, Vol. 24 No.3.
11-Griliches 2Ci (1958): Research Costs and soil Returns: Hybrid Cam and Related inmovations, Jar Political
Economy, Vol 66.
12-Huffman, W.E. (1978): Returns to Extension sumposium on Research and Extension Evaluation, MoscOw, Idho,
may.
13-Peterson, W.L. (1971): The Return to imvestement in in The U.S.A in: Fischel (ed) Resource AllOcation in Agriculture Research, Minneapolis, Univ. of
Uinmesotaprass.
14-Schultz, T.W. (1971): The Allozation of Resouces to Reseach, in W.L. Fischel (ed) Resource Allocation in Agric. Research, Univ. of Uinmesoata Press, pp.
90-120.
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2-Evenson, R. E. (1986) The economics of agricultural extension, in Jones, G.E. (ed), Investing in Rural Extension: strategies and goals (London: Elsevier),
p.p. 56-87.
3-Lipton, M. and Longhurts, R. (1985) Modern Varieties, international Agricultural Research- and the poor (Washington, Dc: World Bank, CGIAR Study paber.