RIBADU, M. B.; MOHAMMED, A.; SA’AD, S.; UMAR, K. I. Development and validation of sharia compliance e-commerce quality factors and measurement scales. Savannah Journal of Science and Engineering Technology , [S. l.], v. 1, n. 4, p. 181–194, 2023. Disponível em: https://www.sajsetjournal.com.ng/index.php/journal/article/view/60. Acesso em: 13 sep. 2025.