Lowenberg Deboer, J., Ibro, G., Deuson, R., Ensink, P. and INRAN (1989) “Integration of biological and economic data in the evaluation of agricultural technologies in arid zones”, Les Cahiers de la Recherche Développement, (22), pp. 96–102. Available at: https://revues.cirad.fr/index.php/crd/article/view/36584 (Accessed: 22 July 2024).