Pyo, N. H. L. . “The Application of Stimulus-Organism-Response (SOR) Theory for Studying Workforce Contributions in the Pineapple Factories in Chiang Rai”. International Journal of Multidisciplinary in Management and Tourism, vol. 4, no. 2, Dec. 2020, pp. 88-102, https://so03.tci-thaijo.org/index.php/ijmmt/article/view/247746.