Saraswati R, Sudiana IK, Suja IW. E-Book of Risk Management in High School Chemistry Laboratories as an Effort to Enhance Occupational Safety and Health. HJKK [Internet]. 2026 Feb. 28 [cited 2026 Apr. 13];14(1):106-13. Available from: https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/19451