Morales Carballo, A. ., A. Damián Mojica, and J. Maldonado Morales. “Proposal Of a Hypothetical Learning Trajectory Line for The Assimilation of The Concept Of Height Of A Triangle By Using GeoGebra”. INTERNATIONAL JOURNAL OF RESEARCH IN EDUCATION METHODOLOGY, vol. 12, Oct. 2021, pp. 1-11, doi:10.24297/ijrem.v12i.9128.