Cahyasari, D. “Analisis Likuiditas Dan Aktivitas Terhadap Profitabilitas Pada PT. United Tractors Tbk. (Kondisi Pandemi Covid-19) ”. Jurnal British, vol. 2, no. 2, May 2022, pp. 16-29, https://jurnal.pradita.ac.id/index.php/jb/article/view/282.