Nguyen, Thi Thu Huong, et al. “Theory of Planned Behavior Approach to Understand the Influence of Green Perceived Risk on Consumers’ Green Product Purchase Intentions in an Emerging Country”. International Review of Management and Marketing, vol. 9, no. 3, May 2019, pp. 138-47, https://econjournals.com.tr/index.php/irmm/article/view/7877.