JUSRIN EFENDI POHAN, J. E. P. Second Language Acquisition Three Year Old Children in the Angkola Batak Tribe. Jurnal Prologue, [S. l.], v. 9, n. 2, p. 276–285, 2023. DOI: 10.36277/jurnalprologue.v9i2.118. Disponível em: https://prologue.sastra.uniba-bpn.ac.id/index.php/jurnal_prologue/article/view/118. Acesso em: 19 mei. 2024.