Lovatto PMA, Rocha JM. ICMS ECOLOGICAL AS A TOOL OF ENVIRONMENTAL PROTECTION: IMPLEMENTING THE ANALYSIS IN RIO GRANDE DO SUL STATE. CeN [Internet]. 2016 May 31 [cited 2024 Apr. 19];38(2):966-79. Available from: https://periodicos.ufsm.br/cienciaenatura/article/view/21909