DESIGN "SANGRAI" TOOL FOR COFFE WITH STIRER FIN. Tibuana : Journal of Applied Industrial Engineering, [S. l.], v. 2, n. 01, p. 5–9, 2019. DOI: 10.36456/tibuana.2.01.1767.5-9. Disponível em: https://jurnal.unipasby.ac.id/tibuana/article/view/1767. Acesso em: 4 aug. 2026.