Siva Prasad, K. Technological breakthrough in agriculture / K. Siva Prasad ; foreword by P.V. Sarma. - Allahabad, India : Chugh Publications, 1987. - xii, 133 p. ; 23 cm. Includes index. Bibliography: p. [121]-130. ISBN: 8185076154 : LCCN: 86903607 Subjects--Topical Terms: Agriculture--Economic aspects--India--Andhra Pradesh.Agricultural innovations--India--Andhra Pradesh. Dewey Class. No.: 630 / PRT 1987