Mendoza, H.J.G. and Delgado, O.T. 2020. Proposal for a scheme of base orienting complete of action of activity problem situations student. Obutchénie. Revista de Didática e Psicologia Pedagógica. 4, 1 (Aug. 2020), 180–200. DOI:https://doi.org/10.14393/OBv4n1.a2020-56482.