1. Grzymala-Busse, J. W., Grzymala-Busse, W. J.: Handling missing attribute value. In O. Maimon & L. Rokach (Ed.), Data mining and knowledge discovery handbook (pp. 573–589). Springer.
2. Logan, C., Parás, P., Robbins, M., & Zechmeister, E. J. (2020). Improving data quality in face-to-face survey research. PS: Political Science & Politics, 53(1), 46–50.
3. Cai, L., & Zhu, Y. (2015). The challenges of data quality and data quality assessment in the big data era. Data Science Journal, 14.
4. García, S., Ramírez-Gallego, S., Luengo, J., et al. (2016). Big data preprocessing: Methods and prospects. Big Data Analytics, 1, 9.
5. García, S., Luengo, J., & Herrera, F. (2015). Data preprocessing in data mining. Intelligent Systems Reference Library.