Dewi, Nur Kusuma, and Ari Yuniastuti. “Superoxide Dismutase Levels of Operator Gas Stations in Semarang, Central Java, Indonesia.”. KnE Life Sciences 3, no. 5 (September 11, 2017): 167-172. Accessed April 24, 2024. https://knepublishing.com/index.php/KnE-Life/article/view/989.