Ribeiro, Tanires, and Algeir Sampaio.
" Animating the contraturno: Using Scratch in the initiation of children from 7 to 10 years in Public School Programming." <em>Proceedings of the 18th Regional School of Computing Bahia, Alagoas, and Sergipe,
Aracaju, 2018</em>. SBC, 2018,  
pp.438-446.