Jan Weijenberg (Weijenberg, Jan)

English

• 
  Revitalizing Agricultural Research in the Sahel: A Proposed Framework for Action
  by Jan Weijenberg
  Softcover, World Bank Publications, ISBN 0821325981 (0-8213-2598-1)
• 
  Strengthening National Agricultural Research Systems in Eastern and Central Africa: A Framework for Action
  by Jan Weijenberg
  Softcover, World Bank Publications, ISBN 0821333224 (0-8213-3322-4)

German

• 
  Authentizitat Gesprochener Sprache in Lehrwerken Fur Deutsch Als Fremdsprache
  by Jan Weijenberg
  Hardcover, Groos, ISBN 387276232X (3-87276-232-X)