Kusjiarsih, Robby Prasetyo, Hendri Hermawan Adinugraha, and Morse Kathryn. “Efforts to Increase the Competitiveness of Export Products in the Free Market in Islamic Economic Development”. Sharia Oikonomia Law Journal 1, no. 3 (September 30, 2023): 150–160. Accessed July 5, 2025. https://www.journal.ypidathu.or.id/index.php/solj/article/view/190.