eat: An R Package for fitting Efficiency Analysis Trees. - Miriam Esteve; Victor España; Juan Aparicio; Xavier Barber (R J., 2022)

boostingDEA: A boosting approach to Data Envelopment Analysis in R. - Maria D. Guillen; Juan Aparicio; Victor J. España (SoftwareX, 2023)

Improving the predictive accuracy of production frontier models for efficiency measurement using machine learning: The LSB-MAFS method. - Maria D. Guillen; Juan Aparicio; José Luis Zofío; Victor J. España (Comput. Oper. Res., 2024)

Estimating production functions through additive models based on regression splines. - Victor J. España; Juan Aparicio; Xavier Barber; Miriam Esteve (Eur. J. Oper. Res., 2024)

Estimating production technologies using multi-output adaptive constrained enveloping splines. - Victor J. España; Juan Aparicio; Xavier Barber (Comput. Oper. Res., 2025)