WIBISANA, Hendrata; RUMINTANG, Anna. Sehat di Usia Senja: Mengungkap Manfaat dan Risiko Kopi serta Teh. [s.l.] : PT. Ghani Press Group,2026. Disponível em: https://e-book.ghanipress.com/index.php/ghanipress/catalog/book/42. Acesso em: 2 may. 2026.