Sibagariang, S. A., Sianturi, T. A., & Sitompul, S. (2020). The Relationship between Parents’ Attention and Self Concept with Learning Achievements in Tenth Grade Students of SMA Negeri 3 Pematangsiantar. International Journal of English Literature and Social Sciences (IJELS), 5(6). https://journal-repository.com/index.php/ijels/article/view/2727