Thien, Dau, Nga, Le, Tam, Nguyen, Lam, Chu, Trang, Tran, AND Giang, Dinh. " Study on Differential Pulse Anodic Stripping Voltammetry Method for Simultaneous Determination of Trace amount of Zn, Cd, Pb, Cu in some Cough Syrups in Vietnam" VNU Journal of Science: Natural Sciences and Technology [Online], (25 December 2024)