Sawangloke, Weerasak. “AN ESTIMATION OF LABOR PRODUCTIVITY LOSS CLASSIFIED BY CAUSE OF DEATH AND AGE GROUP”. RMUTT Global Business and Economics Review 18, no. 1 (June 28, 2023): 84–102. accessed September 22, 2026. https://so03.tci-thaijo.org/index.php/RMUTT-Gber/article/view/266113.