Salami, A. “Analisis Profitabilitas PT. Kimia Farma Tbk Sebelum, Saat Dan Sesudah Pandemi COVID-19”. Maliki Interdisciplinary Journal, Vol. 1, no. 4, Oct. 2023, pp. 465-70, https://urj.uin-malang.ac.id/index.php/mij/article/view/5175.