KURNIAWAN DJOAR , Raditya. TRYPTOPHAN DALAM SUSU FORMULA MENINGKATKAN KUALITAS TIDUR LANSIA YANG MENGALAMI INSOMNIA . JPK : Jurnal Penelitian Kesehatan, [S. l.], v. 1, n. 1, p. 32–37, 2011. DOI: 10.54040/jpk.v1i1.132. Disponível em: https://journal.stikvinc.ac.id/index.php/jpk/article/view/132. Acesso em: 19 sep. 2024.