Polyorat, K., and N. Buaprommee. “Intention to Purchase Traceable Meat: The Impacts of Perceived Information Asymmetry, Informativeness, Usefulness, and Norm”. Asian Journal of Business and Accounting, vol. 9, no. 1, June 2016, pp. 141-68, https://ajba.um.edu.my/index.php/AJBA/article/view/2723.