Lestari, C.E. and Salami, M.M. 2026. Relationship Marketing Strategy in Building Customer Loyalty for Local Decapterus SPP (Muroaji) Products. IJESS International Journal of Education and Social Science. 7, 1 (Apr. 2026), 70–75. DOI:https://doi.org/10.56371/ijess.v7i1.636.