I. Prilia and B. Sahono, “THE IMPLEMENTATION OF TEAM GAMES TOURNAMENT (TGT) MODELS TO IMPROVE SELF-CONFIDENCE AND SPEAKING SKILLS (Case study at English subject of eighth Grade Student of SMPN 01 Lebong)”, Diadik j. ilm. teknol. pendidik., vol. 9, no. 1, pp. 212–219, Sep. 2021.