Zhang, M., Y. Li, and X. Ke. “The Impact of Digital Operational Capability on Business Profitability Performance of Small and Medium-sized Enterprises”. Rajapark International Journal, vol. 3, no. 2, Aug. 2026, pp. 34-53, https://so20.tci-thaijo.org/index.php/RJPIJ/article/view/780.