A study of the social and economic implications of the large scale introduction of high-yielding varieties of foodgrain : a selection of readings : an institute staff study / [ed. by] António Barreto
Barreto, António(medarbetare)
Geneva, 1971
Engelska 173 s.
Serie: Report / United Nations Research Institute for Social Development, 99-0120136-5 ; 71:6