Zulkarnain, R., Suryati, I. and Pratama, A. (2020) “Analysis distribution sulfur dioxide and nitrogen dioxide concentration from PLTU Pangkalan susu with callpuff method”, Jurnal Pendidikan Teknologi Kejuruan. Padang, Indonesia, 3(4), pp. 236–244. doi: 10.24036/jptk.v3i4.15923.