Mochamad Riam Badriana; Hanif Diastomo; Avrionesti; Martin Yahya Surya; Umar Abdurrahman; Muhammad Riza; Totok Suprijo; Hansan Park. Impact Assessment of PSBB on Variations of NO2, CO, and Chlorophyll-a Concentration in Java Island During the COVID-19 Pandemic Based on Multi-Satellite Imagery Data. OLDI (Oseanologi dan Limnologi di Indonesia) 2026, 6, 107-123.