Klinthuesil S, Jantiva P, Wisitthamrongwut K, Aimdid P, Tuammee S. Reducing Waste in the Plastic Bottle Cap Production Process by Applying the DMAIC Principle: A Case Study of XXX Co., Ltd. BEIT.J. [internet]. 2025 Jun. 17 [cited 2025 Jul. 14];6(1):1-20. available from: https://ph04.tci-thaijo.org/index.php/JEITB/article/view/8006