Septian Yubil Sumurung Sihombing, Elfitra Desy Surya, and Husni Muharram Ritonga, “Customer Satisfaction Analysis : The Role of Communication, Social Behaviour and Customer Experience with Trust as a Mediating Variable at Pematang Siantar Class II Check Point Immigration Office”, Equivalent , vol. 4, no. 2, pp. 2959–2973, Jul. 2026, doi: 10.61994/equivalent.v4i2.1981.