maungngeon, atikan, and Chanin Chuearungroj. “Application of LEAN Concepts to Develop Service Procedures for the Computerized System Management: A Case Study of 1ST Army Area”. Journal of Innovation and Management 11, no. 1 (June 30, 2026): 23–38. accessed September 11, 2026. https://so03.tci-thaijo.org/index.php/journalcim/article/view/293640.