Maralis, R., dan R. Marisca. “THE INFLUENCE OF TOTAL DEBT AND OPERATIONAL COSTS ON REMAINING OPERATING RESULTS IN KARTIKA COOPERATIVE PRIMARY 0302/INHU”. JURNAL MANAJEMEN DAN BISNIS, vol. 11, no. 1, Juni 2022, hlm. 194-02, https://journal.itbind.ac.id/index.php/jmbi/article/view/102.