Bibliografía

Abad, Francisco, and Maravillas Vargas. 1991. Estadística. Granada: Gráf. JUFER.

Obe, Regina, and Leo Hsu. 2017. PostegreSQL: Up and Running, 3rd Edition: A Practical Guide to the Advanced Open Source Database. O’Reilly UK Ltd.

Roldán, María Carina. 2017. Learning Pentaho Data Integration 8 CE (Third Edition). Packt Publishing.

———. 2018. Pentaho Data Integration Quick Start Guide. Packt Publishing.