LIAO, S.-C. A study product design of optimal solution for customer requirements. Journal of Economic and Social Thought, [S. l.], v. 2, n. 2, p. 76–91, 2015. DOI: 10.1453/jest.v2i2.274. Disponível em: https://journals.econsciences.com/index.php/JEST/article/view/274. Acesso em: 20 sep. 2024.