Loing, R., A. F. Karinda, R. Kowaas, and H. R. L. Polii. “Queues, Service Efficiency, and Social Proof: Multi-Site Non-Participant Observation of Mie Gacoan”. Jurnal Informatika Ekonomi Bisnis, Vol. 8, no. 1, Mar. 2026, pp. 122-31, doi:10.37034/infeb.v8i1.1383.