TANTIPHANWADI, P.; SIRIPANYA, A. .; PANYAKUNANONT, P. .; THANACHOTANANKUL, P. .; WONGPATIWATE, N. .; PHWNGMALAY, S. .; WAIYANIT, S. . Production Improvement Steps: Lean, Six Sigma and Lean Automation. Naresuan University Engineering Journal, Phitsanulok, Thailand, v. 15, n. 2, p. 47–64, 2020. Disponível em: https://ph01.tci-thaijo.org/index.php/nuej/article/view/240607. Acesso em: 17 may. 2024.