Items where Author is "IRVAN LIHARDO SITUMORANG"
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Tugas Akhir / Tesis
IRVAN LIHARDO SITUMORANG and HERVITA AGUSTINA (2024) ANALISIS KOMPARATIF PERSEPSI KUALITAS PELAYANAN PELANGGAN PROVIDER TELKOMSEL DAN INDOSAT DI KOTA MEDAN. Undergraduate (S-1) thesis, Universitas Mikroskil.