Handriani, R., Suriana, S. and Wardani, W. (2023) “Analysis of the Factors Influencing the Decreasing Profit in Ayam Penyet Restaurant, Surabaya, Medan”, ProBisnis : Jurnal Manajemen, 14(2), pp. 179–187. doi: 10.62398/probis.v14i2.116.