Siregar, Rosa Aulia Fitri, et al. “The Effect of the Team Game Tournament Model on Negotiation Text Writing Skills: A Quasi-Experimental Study of Grade X Students at SMAN 6 Tangerang Regency”. Ilomata International Journal of Social Science, vol. 7, no. 3, July 2026, pp. 951-8, doi:10.61194/ijss.v7i3.2245.