PURBA, L. N. br; WARTININGSIH, E.; SUSYANTI, D. W. PENGARUH KUALITAS PELAYANAN TERHADAP KEPUASAN PELANGGAN PT GLOBAL KNOWLEDGE INDONESIA. Epigram, [S. l.], v. 13, n. 2, 2017. DOI: 10.32722/epi.v13i2.817. Disponível em: https://jurnal.pnj.ac.id/index.php/epigram/article/view/817. Acesso em: 28 jan. 2022.