Fadillatunnisa, Fadillatunnisa, Muhammad Lathief Ilhamy Nasution, and Juliana Nasution. 2024. “Analysis of Consumer Protection System in Improving Expedition Services from an Islamic Perspective: A Case Study of Insurance at J&T Express Medan”. Journal of Islamic Economics Lariba 10 (1):183-204. https://doi.org/10.20885/jielariba.vol10.iss1.art11.