Siti Dini, Silvia Silalahi, Elverida Marpaung, Dewi S. Sihombing, and Lestari Rajagukguk. “Pengaruh Perputaran Kas, Persediaan, Piutang, Modal Kerja Terhadap Profitabilitas Perusahaan”. Jurnal Ekonomi 25, no. 2 (July 30, 2020): 270–286. Accessed May 8, 2024. http://www.ecojoin.org/index.php/EJE/article/view/670.