Tiengladdawong P, La-ornual D. Perceived Risk and Willingness-to-Pay for Different Organic Certification Levels in Thailand. ijmmt [Internet]. 2022 May 21 [cited 2024 May 5];6(1):88-9. Available from: https://so03.tci-thaijo.org/index.php/ijmmt/article/view/260834