IMPROVING STUDENTS’ VOCABULARY MASTERY USING QUIZIZZ: AN ACTION RESEARCH AT A JUNIOR HIGH SCHOOL PONTIANAK. Journal of English Language Teaching and Education (JELTE) [Internet]. 2024 Oct. 7 [cited 2025 Jul. 1];5(2):67-7. Available from: https://jurnal.fpbs.upgripnk.ac.id/index.php/jelte/article/view/1024