วันทา ก., ขวาโยธา บ., & ยะชัยมา ฐ. (2019). Legal issues to prove ownership of the trademark Trademarks Act 2534. Mahamakut Graduate School Journal, 15(1), 1–8. Retrieved from https://so04.tci-thaijo.org/index.php/mgsj/article/view/177301