Chuchuy C, Topithak K. The Development of a Mathematics Process Skills test for Grade 2 Students by Applying Generalizability Theory. OJED [internet]. 2020 Sep. 22 [cited 2025 Apr. 7];15(2):OJED1502019 (11 pages). available from: https://so01.tci-thaijo.org/index.php/OJED/article/view/241924