วรรณศิริ อ. Increasing The Packaging Efficiency for Transport by Lean Concepts : A Case Study of Yogurt Manufacturing Company. NKRAFA SCT [Internet]. 2018 Aug. 2 [cited 2024 May 13];12:90-9. Available from: https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/155076