- megawati-. THE EFFECT VOCABULARY MASTERY AND DEBATING TECHNIQUE TOWARDS STUDENTS’ SPEAKING SKILL STKIP KUSUMA NEGARA JAKARTA: (An Experimental study at STKIP Kusuma Negara Jakarta). JETAR [Internet]. 2018 Oct. 31 [cited 2024 Dec. 17];3(2):106-17. Available from: https://ojs.unpkediri.ac.id/index.php/inggris/article/view/12451