Padilla-García, E. A., R. D. Cruz-Morales, J. González-Sierra, and D. Tinoco-Varela. “Frugal Mechatronic Design of a Mobile Self-Balancing Robot”. International Journal of Combinatorial Optimization Problems and Informatics, vol. 17, no. 1, Jan. 2026, pp. 400-1, doi:10.61467/2007.1558.2026.v17i1.1159.