CABRALES NEVÁREZ, J. Observation as an Essential Research Step in Undergraduate Theses. Espergesia, [S. l.], v. 8, n. 1, p. 23–30, 2021. DOI: 10.18050/esp.2014.v8i1.2690. Disponível em: http://revistas.ucv.edu.pe/index.php/espergesia/article/view/840. Acesso em: 14 may. 2024.