Elen Sahan Wijaya, Felixtianus Eko Wismo Winarto. Development of an Integrated Grass-Cutting SOP Based on Permit to Work and API 500/505 Standards for Improving OHS System Reliability. KESANS [Internet]. 2026 Jul. 14 [cited 2026 Jul. 25];5(10):1958-71. Available from: https://www.kesans.rifainstitute.com/index.php/kesans/article/view/682