Mubarok, Faizul, Zulkifli Sultan, Martino Wibowo, and Sippavitch Wongsuwatt. “Unlocking the Secrets of Profitability: Investigating the Role of Research and Development”. Journal of Theoretical and Applied Management (Jurnal Manajemen Teori dan Terapan) 16, no. 2 (August 21, 2023): 356–367. Accessed August 4, 2024. https://e-journal.unair.ac.id/JMTT/article/view/44958.