Dusadeerat Kosumsiri และ Ruompol Jantasart; Surat Janthongpan. (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. <i>Supply Chain and Sustainability Research (SCSR)</i>, <i>1</i>(3), 70-81.Dusadeerat Kosumsiri และ Ruompol Jantasart; Surat Janthongpan. "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 (2023):70-81.Dusadeerat Kosumsiri และ Ruompol Jantasart; Surat Janthongpan. 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. Southeast Bangkok University:ม.ป.ท. 2023.