An Optimised Method for Fetching and Transforming Survey Data based on SQL and R Programming Language. Baghdad Science Journal, Iraq, Baghdad, v. 16, n. 2(SI), p. 0436, 2019. DOI: 10.21123/bsj.2019.16.2(SI).0436. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/3559.. Acesso em: 2 may. 2024.