International symposium on systems approaches for agricultural development IRRI, L. B., Teng, P. S., Kropff, M. J., ten Berge, H. F. M., Dent, J. B., Lansigan, F. P., & van Laar, H. H. (2012). Applications of systems approaches at the farm and regional levels. Volume 1 (1 edición.). Dordrecht, Países Bajos: Springer.

International symposium on systems approaches for agricultural development IRRI, Los Banos, P. S. Teng, M. J. Kropff, H. F. M. ten Berge, J. B. Dent, F. P. Lansigan, and H. H. van Laar. Applications of Systems Approaches At the Farm and Regional Levels. Volume 1. 1 edición. Dordrecht, Países Bajos: Springer, 2012.

International symposium on systems approaches for agricultural development IRRI, Los Banos, et al. Applications of Systems Approaches At the Farm and Regional Levels. Volume 1. 1 edición. Dordrecht, Países Bajos: Springer, 2012.