Supporting Natural Farming Network (NFN) in promoting sustainable agriculture in ZimbabweIngrid Spiller · First published 1996Open the Tome
SolidaritätsbewegungenRolf Kreibich, Reinhart Kößler, Rolf Bräuer, Malte Letz, Michael Bommes, Michael Heuer, Michael Windfuhr, Ingrid Spiller, Albert Scherr, Christoph Butterwegge, Hans G. Jansen · First published 1994Open the Tome
