Hutauruk MA, Damanik BAR. BENEFITS OF BILINGUALISM ON COGNITIVE DEVELOPMENT AND ACADEMIC ACHIEVEMENT OF ELEMENTARY SCHOOL CHILDREN. Sabda [Internet]. 2025 Jan. 11 [cited 2025 Aug. 26];4(1):54-62. Available from: https://jurnal.researchideas.org/index.php/sabda/article/view/156