Candra Maulana RRD. PENGARUH IMPLEMENTASI RELATIONSHIP MARKETING DAN TERHADAP CUSTOMER RELATIONSHIP PADA GIANT EKSPRESS GRESIK. jek [Internet]. 2017Jun.28 [cited 2026Jan.11];2(1):20-7. Available from: http://journal.stienugresik.ac.id/index.php/jek/article/view/11