Medina Simonetti, Vera Maria. “LEWIN’S CONTRIBUTION TO STUDY GROUP: A LEARNING CHALLENGE DURING COVID-19”. RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218, vol. 3, nº 5, maio de 2022, p. e351373, doi:10.47820/recima21.v3i5.1373.