Nascimento, Arnaldo Gil Sardella, Eber Schmitz, Monica Silva, and Priscila Lima. “A Mapping Study of Scientific Merit of Papers, Which Subject Are Web Applications Test Techniques, Considering Their Validity Threats”. JISTEM - Journal of Information Systems and Technology Management (Online) 16 (March 20, 2019): e201815006erratum. Accessed May 11, 2021. https://www.revistas.usp.br/jistem/article/view/181922.