Hamdi, Nawel, Chiraz El Hog, Raoudha Ben Djemaa, and Layth Sliman. 2025. “Semantic Service Level Agreements: Improving Smart Contract Usability in the Service-Based Digital Economy”. Journal of Telecommunications and the Digital Economy 13 (1): 33-54. https://doi.org/10.18080/jtde.v13n1.1151.