Sipangkar, G., Sihombing, N. E. and Simangunsong, R. N. (2024) “Pengaruh Inovasi Produk Terhadap Loyalitas Pelanggan Di Galery Ulos Sianipar Kota Medan”, Innovative: Journal Of Social Science Research, 4(2), pp. 4693–4705. doi: 10.31004/innovative.v4i2.9934.