Gracia, C., B. Diezma-Iglesias, and P. Barreiro. “A Hybrid Genetic Algorithm for Route Optimization in the Bale Collecting Problem”. Spanish Journal of Agricultural Research 11, no. 3 (June 25, 2013): 603-614. Accessed May 2, 2024. https://sjar.revistas.csic.es/index.php/sjar/article/view/3635.