Moreira Zambrano, J.F., Murillo Pico, J.C., Velasteguí López, E. and Maqueira Caraballo, G. 2026. GeoGebra-mediated instructional strategy for learning combined operations among ninth-grade general basic education students in an alternative education program. Ciencia Digital. 10, 4 (Oct. 2026), 45-78. DOI:https://doi.org/10.33262/cienciadigital.v10i4.3761.