00504nam a2200145Ia 4500 20260716043505.0 16.01.01 G173 Gallopín, Gilberto Systems approach to sustainability and sustainable development ECLAC SantiagoCL 2003 42 p. Examines the concepts of sustainability and sustainable development from a systems perspective, seeking to abstract their fundamental elements. 6/5/03 JOYD M G173 48335 48335