1. Association for Iron and Steel Technology (AIST). (2023). Interactive steel manufacturing process. https://www.aist.org/resources/the-msts-steel-wheel/. Accessed July 3, 2023.
2. Climate Action Tracker. (2022). State of Climate Action 2022. https://climateactiontracker.org/documents/1083/state-of-climate-action-2022.pdf. Accessed October 9, 2023.
3. Dahmen, J., & Muñoz, F. (2014). Earth masonry unit: Sustainable CMU alternative. International Journal of GEOMATE: Geotechnique, Construction Materials and Environment, 6. https://www.researchgate.net/publication/305854401_EARTH_MASONRY_UNIT_SUSTAINABLE_CMU_ALTERNATIVE. Accessed June 30, 2023.
4. Dahmen, J., et al. (2018). Life cycle assessment of emergent masonry blocks. Journal of Cleaner Production, 171. . Accessed June 30, 2023.
5. European Steel Association (Eurofer). (2023). What is steel and how is steel made? https://www.eurofer.eu/about-steel/learn-about-steel/what-is-steel-and-how-is-steel-made/. Accessed July 3, 2023.