SINAGA, C. S. The Effect of Service Quality Customer Satisfaction at Galang Post Office. Journal of Economics and Business (JECOMBI), [S. l.], v. 2, n. 03, p. 224–228, 2022. DOI: 10.58471/jecombi.v2i03.2. Disponível em: https://jecombi.seaninstitute.or.id/index.php/JECOMBI/article/view/2. Acesso em: 19 oct. 2025.