BALQIS LUMONGGA LUBIS. Optimalisasi Segmentasi Pasar dan Positioning untuk Memperkuat Loyalitas Konsumen RYN Boutique Medan. Applied Multidisciplinary Science, [S. l.], v. 1, n. 2, p. 149–159, 2025. DOI: 10.64276/ams.v1i2.64. Disponível em: https://nafasjournal.com/index.php/ams/article/view/64. Acesso em: 22 mar. 2026.