selmiana salam, Sudriman, Syaharuddin, Supriadi, and Kamaruddin Arsyad, “The moderating role of Al-Falah values in the effect of digital marketing and product innovation on the competitive advantage of micro, small, and medium enterprises in Sinjai Regency”, al. kharaj. j. islam. econ. bus., vol. 8, no. 1, Jan. 2026.