Tiodora Silalahi, Dina Syahfitri Tanjung. THE USING OF RIDDLE TECHNIQUE TO INCREASE STUDENTS’ VOCABULARY MASTERY IN DESCRIBING PEOPLE AT SMA SWASTA KARTIKA 1-4 PEMATANGSIANTAR. JBL [Internet]. 2019 Oct. 14 [cited 2024 Jul. 22];1(2):14 -. Available from: https://jurnal.usi.ac.id/index.php/bilingual/article/view/238