Indra Jayanti Damanik, and Natanael Saragih. “BILINGUALISM, IT IS A POWERING IN YOUNG LEARNERS IN PEMATANG SIANTRA TROUGH TEACHING AND LEARNING PROCESS”. Bilingual : Jurnal Pendidikan Bahasa Inggris, vol. 2, no. 1, Apr. 2020, pp. 25 -, doi:10.36985/jbl.v2i1.244.