W. Mizutani and F. Kon.
" The Unlimited Rulebook: Architecting the Economy Mechanics of Games", in <em>Companion Proceedings of the 21st Brazilian Symposium on Games and Digital Entertainment</em>, Natal/RN, 2022, pp. 1402-1406, doi: <a href="https://doi.org/10.5753/sbgames_estendido.2022.226981">https://doi.org/10.5753/sbgames_estendido.2022.226981</a>.