Citation: A. Pouzet et D. Delplancke, Comparative development of the production and competitiveness of sunflowers in different cultivation zones, OCL-OL CORP, 8(2), 2001, pp. 126-132
Citation: A. Pouzet et D. Delplancke, Comparative development of sunflower cultivation and competitiveness in different production zones, OCL-OL CORP, 7(3), 2000, pp. 243-249