Handika W, Rachmah SM, S N. PENGARUH LAYANAN PURNA JUAL DAN KUALITAS PRODUK TERHADAP KEPUASAAN PELANGGAN SMARTPHONE SAMSUNG DI JAKARTA. GREAT [Internet]. 2026 Sep. 19 [cited 2026 Sep. 19];2(3):671-8. Available from: https://journaledutech.com/index.php/great/article/view/1571