http://repository.uhamka.ac.id/id/eprint/15101/ Penilaian Konsumen Terhadap Kualitas Pelayanan GO-JEK Shelter Mall Fx Jl. Sudirman, Jakarta selatan. Saputra, Ari Wahyu http://repository.uhamka.ac.id/id/eprint/15101/1/FISIP_ILKOM_0806015020_ARI%20WAHYU%20SAPUTRA.pdf Unduh!