NINGRUM, NAJWA OKTAVIA ZAHRAH (2025) ANALISIS TREN EFFECTIVE TAX RATE (ETR) DAN DAMPAK PANDEMI COVID-19 PADA PERUSAHAAN TERDAFTAR DI BURSA EFEK INDONESIA (2019–2023) = ANALYSIS OF TRENDS IN THE EFFECTIVE TAX RATE (ETR) AND THE IMPACT OF THE COVID-19 PANDEMIC ON COMPANIES LISTED ON THE INDONESIA STOCK EXCHANGE (2019–2023). Skripsi thesis, Universitas Hasanuddin.