1 files changed, 14 insertions, 0 deletions
diff --git a/environment.bib b/environment.bib
index 1e63706..ff5d676 100644
--- a/environment.bib
+++ b/environment.bib
@@ -300,3 +300,17 @@
   url     = {https://www.esa.int/Space_Safety/Space_Debris/Space_debris_by_the_numbers},
   note    = "Acessado em 19/04/2024",
 }
+
+@article{hardin2009,
+  title     = {The Tragedy of the Commons},
+  author    = {Hardin, Garrett},
+  year      = {2009},
+  publisher = {Taylor and Francis Group},
+  journal   = {Journal of Natural Resources Policy Research},
+  issn      = {1939-0459,1939-0467},
+  doi       = {10.1080/19390450903037302},
+  volume    = {1},
+  issue     = {3},
+  pages     = {243--253},
+  url       = {http://doi.org/10.1080/19390450903037302}
+}