Bidarra, J., C. Boscarioli, D. R. Hachamann, O. M. de Souza, and C. F. Balansin. “THE EXPERIENCE OF STUDENTS IN XLUPA UNDERGRADUATE RESEARCH PROJECT AND REFLECTIONS OF RESEARCH IN THEIR TRAINING”. Varia Scientia, vol. 9, no. 16, Dec. 2009, pp. p.95-106, https://saber.unioeste.br/index.php/variascientia/article/view/2589.