PORRATA, Oscar E. RALPH L. BEALS Y NORMAN D. HUMPHREY, No Prontier to Learning - Tbe Mexican Student in the United States, Minneapolis: University of Minnesota Press, 1957. 141 págs. Revista de Ciencias Sociales, [S. l.], n. 1, p. 105–108, 1958. Disponível em: https://revistas.upr.edu/index.php/rcs/article/view/10036. Acesso em: 17 ago. 2024.