Sari Gustika, G., D. . Hartika, and H. Yaspita. “ANALYSIS OF FACTORS THAT INFLUENCE CHANGES IN PROFITS AT PT. YANAPRIMA HASTAPERSADA TBK”. Jurnal Manajemen Dan Bisnis, vol. 12, no. 2, Dec. 2023, pp. 230-9, https://journal.itbind.ac.id/index.php/jmbi/article/view/14.