1. Albanese, S., Cicchella, D., De Vivo, B., Lima, A., Civitillo, D., Cosenza, A., et al. (2011). Advancements in urban geochemical mapping of the Naples metropolitan area: Colour composite maps and results from an urban Brownfield site. In C. C. Johnson, A. Demetriades, J. Locutura, & R. T. Ottesen (Eds.), Mapping the chemical environment of urban areas (pp. 410–423). Wiley.
2. Arnold, J. B., Daroczi, G., Werth, B., Weitzner, B., Kunst, J., & Auguie, B. (2015). Package ‘ggthemes’. Retrieved August, 2022, from https://cran.microsoft.com/snapshot/2015-07-10/web/packages/ggthemes/ggthemes.pdf
3. Auguie, B., & Antonov, A. (2017). Package ‘gridExtra’. Retrieved August, 2022, from https://cran.r-project.org/web/packages/gridExtra/gridExtra.pdf
4. Bao, C., Xu, M., & Sun, S. (2019). China’s land uses in the multi-region input–output framework. International Journal of Environmental Research and Public Health, 16(16), 2940.
5. Barlow, K. M., Mortensen, D. A., & Drohan, P. J. (2020). Soil pH influences patterns of plant community composition after restoration with native-based seed mixes. Restoration Ecology, 28(4), 869–879.