KURNIA, Hibarkah; JULIANTORO, Krisna Budi; SUHENDRA, Suhendra; ZY, Ahmad Turmudi; APRIYANI, Apriyani. Combination of lean thinking and A3 problem-solving methods to reduce the cost of purchasing cleaning agents in a paint manufacturer in Indonesia. SINERGI, Jakarta, Indonesia, v. 28, n. 1, p. 103–114, 2023. DOI: 10.22441/sinergi.2024.1.011. Disponível em: https://publikasi.mercubuana.ac.id/index.php/sinergi/article/view/21371. Acesso em: 29 jun. 2026.