@article{Lazo Saponara_Massari Figari_2008, title={Una mirada a los cambios verdes de la tributaciĆ³n: los "Ecotributos"}, url={https://revistas.pucp.edu.pe/index.php/themis/article/view/9213}, number={56}, journal={THEMIS Revista de Derecho}, author={Lazo Saponara, Gustavo and Massari Figari, Giorgio}, year={2008}, month={ago.}, pages={249-258} }