Muhammad Navis Mirza. Implementation of the 5S and K3 Programs in The Vocational High School Environment: Community Service as an Effort to Increase Learning Safety and Productivity. AJCS [Internet]. 2023 Feb. 27 [cited 2026 Apr. 20];2(2):217-24. Available from: https://journal.formosapublisher.org/index.php/ajcs/article/view/3206