Pilz, T. L., M. Scheuer, M. M. C. Maceno, T. Genaro, and N. C. Sotsek. “Construction Processes of Roof Structures: A Systematic Review”. The Journal of Engineering and Exact Sciences, vol. 6, no. 4, Oct. 2020, pp. 0520-7, doi:10.18540/jcecvl6iss4pp0520-0527.