maungngeon, atikan, & Chuearungroj, C. (2026). 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(1), 23–38. retrieved from https://so03.tci-thaijo.org/index.php/journalcim/article/view/293640