Friederichsen, Jakob Rupert Opening up knowledge production through participatory research? : agricultural research for Vietnam's northern uplands Jakob Rupert Friederichsen - Bern ; New York Peter Lang c2009 - 280 p. : ill. ; 21 cm Includes bibliographical references ISBN: 9783631588420 ISSN: 2010287639 Dewey Class. No.: 338.10720597 FRI