RAMADHAN, A. and Razali, R. 2022. PENILAIAN KUALITAS JASA PELAYANAN LEMBAGA BIMBINGAN BELAJAR PRIMAGAMA BERDASARKAN PREFERENSI KONSUMEN (Studi kasus: Primagama cabang Medan). Nusantara of Engineering (NOE). 5, 2 (Dec. 2022), 66 - 71. DOI:https://doi.org/10.29407/noe.v5i2.19021.