Tiodora Silalahi, and Dina Syahfitri Tanjung. “THE USING OF RIDDLE TECHNIQUE TO INCREASE STUDENTS’ VOCABULARY MASTERY IN DESCRIBING PEOPLE AT SMA SWASTA KARTIKA 1-4 PEMATANGSIANTAR”. Bilingual : Jurnal Pendidikan Bahasa Inggris 1, no. 2 (October 14, 2019): 14 –. Accessed July 22, 2024. https://jurnal.usi.ac.id/index.php/bilingual/article/view/238.