RIZKY WAHYUDI, et al. “PENGARUH RELATIONSHIP QUALITY TERHADAP LOYALITAS NASABAH ASURANSI AJB BUMIPUTERA CABANG MEDAN”. JURNAL EKONOMI, SOSIAL & HUMANIORA, vol. 3, no. 06, Feb. 2022, pp. 73-82, https://www.jurnalintelektiva.com/index.php/jurnal/article/view/704.