BILINGUALISM, IT IS A POWERING IN YOUNG LEARNERS IN PEMATANG SIANTRA TROUGH TEACHING AND LEARNING PROCESS. jbl [Internet]. 25 April 2020 [dikutip 21 November 2025];2(1):25 – 30. Tersedia pada: https://jurnal.usi.ac.id/index.php/jbl/article/view/976