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1. Agricultural development;   Publication: Baltimore, Johns Hopkins Press 1971 . xiv, 367 p. Date:1971 Availability: Copies available: Turkeyen Campus Social Sciences [HD1415 .H318] (2), Actions: Add to cart
2. Social returns to public information services :   Publication: Minneapolis, Ma. : University of Minnesota, 1972 . 12 leaves , Reprinted from the American Economic Review, Vol. 62 no. 1 February, 1962 p. 119-130 Date:1972 Availability: Copies available: Turkeyen Campus Social Sciences [HD9000.4 H39] (1), Actions: Add to cart No cover image available No cover image available