Calle, J., P. Lója, M. Orellana, and P. Cedillo. “RESTful and SOAP Services Orchestration: Case Study, American Visa Assignment”. Latin-American Journal of Computing, Vol. 8, no. 1, Jan. 2021, pp. 92-03, https://lajc.epn.edu.ec/index.php/LAJC/article/view/197.