Dinda Tazkia Aulia and Cahaya Permata 2025. Consumer Protection for Speedboat Service Users at Sri Mersing Beach Tourist Attraction, Serdang Bedagai Regency, Sharia Economic Law Perspective. Al-Kharaj: Journal of Islamic Economic and Business. 7, 2 (Jul. 2025). DOI:https://doi.org/10.24256/kharaj.v7i2.7408.