by Macha, A.M
Published in International Workshop on Agricultural Research Management : report of a workshop, 7 to 11 September 1987, The Hague, The Netherlands (1987)

by Macha, A.M
Published in Proceedings of the Symposium on the Role of Biology in Development Dar es Salaam, September 1983 / edited by John Middleton ... [et al.] (1984)

by Macha, A.M, Becker, W.A
Published in TAG Theor Appl Genet (1976)