Nascimento, Arnaldo Gil Sardella, Eber Schmitz, Monica Silva, and Priscila Lima. 2019. “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):e201815006erratum. https://doi.org/10.4301/S1807-1775201815006erratum.