Gunarapong, Nathaporn, Supa Tongkong, and Wachira Boonyanet. 2022. “Information Content of the Voluntary Disclosure on Stock Returns: Evidence from Listed Commercial Banks in Thailand”. Rajapark Journal 16 (48). Bangkok, Thailand:301-20. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/258421.