Mariyati, Lely Ika, and Vanda Rezania. “Buku Ajar Psikologi Perkembangan 1”.
Umsida Press
(July 13, 2022): 1-114. Accessed November 21, 2024. https://press.umsida.ac.id/index.php/umsidapress/article/view/1291.