HAMMAD, Shatha; TAYYEM, Reema; MUSAIGER, Abdulrahman O. Caffeine Content in Beverages Commonly Consumed in Jordan. Pakistan Journal of Nutrition, Pakistan, v. 14, n. 8, p. 447–452, 2015. DOI: 10.3923/pjn.2015.447.452. Disponível em: https://pjnonline.org/pjn/article/view/2164. Acesso em: 25 aug. 2025.