Fitri DA, Siregar TR, Lubis Y. INTRODUCTION TO LINGUISTICS: LOCAL LANGUAGE PHONOLOGICAL INTERFERENCE IN NORTH SUMATERA. cerdika [Internet]. 2023Sep.25 [cited 2026May25];3(09):867-73. Available from: https://www.cerdika.publikasiindonesia.id.solusipublish.com/index.php/cerdika/article/view/672