Kosumsiri, D., Jantasart, R. ., & Janthongpan, S. . (2023). Applying Lean and Six Sigma Concept to Reduce Inventory Cost of SME in Thailand After Covid-19 Crisis : A Case Study of Takara Planning Company Limited. Supply Chain and Sustainability Research: SCSR, 1(3), 70–81. https://doi.org/10.14456/scsr.2023.12