Install latex-cjk-thai by entering the following commands in the terminal:
sudo apt update sudo apt install latex-cjk-thai
Description:
Thai module of LaTeX CJK
CJK is a macro package for LaTeX. This package gives you the possibility to include Thai text in your (La)TeX documents. It uses the same Type1 fonts (Norasi and Garuda) from the ThaiLaTeX package. . Have a look at latex-cjk-common for a more detailed description.
Homepage: http://cjk.ffii.org/
Version: 4.8.4+git20170127-2
Section: universe/tex