HARTANTI, D. M. Student Role Knowledge Well-being Social in Formation Characteristics Independence of Foster Children During the Covid-19 Pandemic in Orphanages Happy Child Care , Medan, North Sumatra. JURNAL PENGABDIAN TEKNOLOGI TEPAT GUNA, [S. l.], v. 5, n. 1, p. 24–30, 2024. DOI: 10.47942/jpttg.v5i1.929. Disponível em: https://jurnal.usahidsolo.ac.id/index.php/TTG/article/view/929. Acesso em: 19 oct. 2025.