MARIYATI, Lely Ika; REZANIA, Vanda. Buku Ajar Psikologi Perkembangan 1. Umsida Press, [S. l.], p. 1–114, 2022. Disponível em: https://press.umsida.ac.id/index.php/umsidapress/article/view/1291. Acesso em: 22 jun. 2025.