CHEW, P. Y.; YOU, A. H.; VIJAYARAM, T. R.; SEE, B. K.; LIM, P. S.; NG, M. C. Preparation of copper lead frame by powder metallurgy technique. Journal of Metals, Materials and Minerals, Bangkok, Thailand, v. 21, n. 2, 2011. Disponível em: http://jmmm.material.chula.ac.th/index.php/jmmm/article/view/186. Acesso em: 2 dec. 2021.