Adriana Yumi Sato Duarte, Marilia Colozio Favaro, Fabio Mazzariol Santiciolli, and Franco Giuseppe Dedini. “Proposal for a Methodology Based on Functional Hierarchization for Product Development”. Global Journals of Research in Engineering, vol. 15, no. J3, Mar. 2015, pp. 1-11, https://engineeringresearch.org/index.php/GJRE/article/view/1323.