-, megawati-. “THE EFFECT VOCABULARY MASTERY AND DEBATING TECHNIQUE TOWARDS STUDENTS’ SPEAKING SKILL STKIP KUSUMA NEGARA JAKARTA: (An Experimental Study at STKIP Kusuma Negara Jakarta)”. English Education:Journal of English Teaching and Research, Vol. 3, no. 2, Oct. 2018, pp. 106-17, doi:10.29407/jetar.v3i2.12451.