NGUYEN, Thi Thao; TRAN, Thi Mai. Determination of Metal Content in Commercial Tea Products in Vietnam by ICP-OES và AAS. Old Journal, [S. l.], n. 121, p. 143–147, 2017. Disponível em: https://jst.vn/index.php/old/article/view/906. Acesso em: 2 aug. 2025.