Zulkarnain, Randy, Isra’ Suryati, and Alvin Pratama. “Analysis Distribution Sulfur Dioxide and Nitrogen Dioxide Concentration from PLTU Pangkalan Susu With Callpuff Method”. Jurnal Pendidikan Teknologi Kejuruan 3, no. 4 (November 30, 2020): 236-244. Accessed May 1, 2024. http://jptk.ppj.unp.ac.id/index.php/jptk/article/view/159.