The scope for collaboration between government and private voluntary organisations in agricultural technology development : the case of Zambia. - London : ODI , 1990 - 41p. : ill. ; 15 cm. - AAU, Res. Exten. Network Paper No. 20 . Includes bibliographical references and index. Subjects--Topical Terms: Agricultural engineeringNon-governmental organization Gov. Doc. Class. No.: GB ODI AAU NP-20