Kusumaningtyas N, Atmaja HT, Subagyo S. The Role of Social Media, Family and School in Building Indonesian Values to Multi-Ethnic Students at SMP Negeri 2 Pekalongan. JESS [Internet]. 5Feb.2019 [cited 21May2024];8(1):19-6. Available from: http://journal.unnes.ac.id/sju/jess/article/view/28764