NAIBORHU, Netty S.R.. Green Constitution: Strengthening Environment Principle in the Act of 1945. Journal of Environmental Management and Tourism, [S.l.], v. 9, n. 5, p. 1044-1051, jan. 2019. ISSN 2068-7729. Available at: <https://journals.aserspublishing.eu/jemt/article/view/2594>. Date accessed: 14 oct. 2019. doi: https://doi.org/10.14505//jemt.9.5(29).16.