“PENGARUH BIAYA BAHAN BAKU DAN BIAYA PROMOSI TERHADAP PENJUALAN PADA PT PYRIDAM FARMA TBK ” (2025) MANNERS (Management and Entrepreneurship Journal), 8(1), pp. 54–65. Available at: https://ojs.unnur.ac.id/index.php/manners/article/view/891 (Accessed: 15 August 2026).