TY - GENERIC DO - 10.20944/preprints202111.0527.v1 UR - http://dx.doi.org/10.20944/preprints202111.0527.v1 TI - Blue-LED Calibration on DOAS System to Measure Nitrogen Dioxide Emission Compared with USEPA Method 7B Standard T2 - Preprints AU - Fatkhurrahman, Januar Arif AU - Sari, Ikha Rasti Julia PY - 2021 DA - 2021/11/29 PB - Preprints