Items where Author is "CALVIN HARDIANSYAH"
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SINEMA NDRURU and NITA SARI NDRURU and CALVIN HARDIANSYAH (2024) ANALISIS KOMPARATIF PERSEPSI KUALITAS PELAYANAN PELANGGAN PROVIDER SMARTFREN DAN XL DI KOTA MEDAN. Undergraduate (S-1) thesis, Universitas Mikroskil.