Purba LN br, Wartiningsih E, Susyanti DW. PENGARUH KUALITAS PELAYANAN TERHADAP KEPUASAN PELANGGAN PT GLOBAL KNOWLEDGE INDONESIA. EPIGRAM (e-journal) [Internet]. 2017 Jan. 18 [cited 2024 Jul. 3];13(2). Available from: https://jurnal.pnj.ac.id/epigram/article/view/817