Kulsiriwanit, Titaporn. 2021. “EFFECTS OF CORPORATE INCOME TAX PLANNING ON FIRM VALUE OF COMPANIES LISTED ON THE MARKET FOR ALTERNATIVE INVESTMENT”. Journal of MCU Nakhondhat 8 (10). Nakhon Si Thammarat, Thailand:219-34. https://so03.tci-thaijo.org/index.php/JMND/article/view/256136.