F. I. Pinheiro, E. P. de Azevedo, A. C. Meneses Rêgo, I. A. Neto, I. A. Filho, and P. Schor, “A VIRTUAL SIMULATOR AS A TOOL FOR TEACHING REFRACTOMETRY”, Int. J. Res. Granthaalayah, vol. 5, no. 10, pp. 23–33, Oct. 2017.