Amna Rachmat, Fauzia, Melia Eka Lestiani, and Erna Mulyati. 2026. “Development of a Sustainable Logistics Service Level Agreement (SLSLA) Model: A Partial Least Squares Structural Equation Modeling and Measurable Index Approach”. Reslaj: Religion Education Social Laa Roiba Journal 8 (11):1012 -. https://doi.org/10.47467/reslaj.v8i11.13490.