Nur Laili, Illa Alfatica, and Hendrato Setiabudi Nugroho. “PENGARUH BIAYA PRODUKSI DAN PROMOSI TERHADAP LABA BERSIH”. Journal Competency of Business 6, no. 02 (January 31, 2023): 54–66. Accessed November 23, 2024. https://jurnal.ucy.ac.id/index.php/JCoB/article/view/1603.