Octafilia Y, Wijaya A. Harga, Kualitas Pelayanan, Promosi Dan Lokasi Terhadap Keputusan Pelanggan Karoke Keluarga di Kota Pekanbaru . INVEST [Internet]. 2020Sep.17 [cited 2025Jul.5];1(1):1-12. Available from: http://www.journal.al-matani.com/index.php/invest/article/view/16