Machado, Alan Freitas, Diego Barbosa Moura, Sergio Ferreira de Lima Lima, Rafael Levy Abel Siqueira, Rodrigo do Amarante Colpo, Thomaz Jacintho Lopes, and Claudio Elias da Silva. “The Use of Modellus in a Classroom As a Motivational Tool for the Study of Geometrical Optics — a Case Study”. Revista Sustinere 3, no. 2 (December 21, 2015): 143–151. Accessed December 2, 2025. https://www.e-publicacoes.uerj.br/sustinere/article/view/19629.