Mendonça, A.B.J. and Asbahr, F. da S.F. 2019. Study Activity and Personal Sense: a theorerical review. Obutchénie. Revista de Didática e Psicologia Pedagógica. 2, 3 (Mar. 2019), 780–800. DOI:https://doi.org/10.14393/OBv2n3.a2018-47450.