Prasad, K. Siva creator text Allahabad, India Chugh Publications c1987 monographic xii, 133 p. ; 23 cm. Study covers Andhra Pradesh, during the period, 1957-1960, and 1976-1977. K. Siva Prasad ; foreword by P.V. Sarma. Revision of the author's thesis (doctoral--Andhra University, 1979) Includes index. Bibliography: p. [121]-130. a-ii--- Agriculture Economic aspects India Andhra Pradesh Agricultural innovations India Andhra Pradesh HD2075 .A5 P5 1987 338.1/61 8185076154 : 86903607 UOEL 000 20250423155615.0 2892672