Saekhoo J, Siripanich P. Application of Auxiliary Variable in Response Mean Estimation for Incomplete Longitudinal Data. Thail. Stat. [internet]. 2015 May 28 [cited 2026 Sep. 20];7(1):1-11. available from: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/34313