Resnick, Mitchel, Maloney, John, Monroy-Hernández, Andrés, Rusk, Natalie, Eastmond, Evelyn, Brennan, Karen, Millner, Amon, Rosenbaum, Eric, Silver, Jay, Silverman, Brian and Kafai, Yasmin. "Scratch: Programming for All." Communications of the ACM 52 , no. 11 (2009): 60-67.