Yoddumnern-Attig B, Guest P, Thongthai V, Punpuing S, Sethaput C, Jampaklay A, Gray R, Vorasiriamorn Y. The Relevance of Longitudinal Research for Population and Health. JPSS [internet]. 2008 Jan. 1 [cited 2026 Oct. 14];16(2):1-34. available from: https://so03.tci-thaijo.org/index.php/jpss/article/view/84568