Chuchuy, Chayatip, and Krittayakan Topithak. “The Development of a Mathematics Process Skills Test for Grade 2 Students by Applying Generalizability Theory”. An Online Journal of Education 15, no. 2 (September 22, 2020): OJED1502019 (11 pages). Accessed May 2, 2024. https://so01.tci-thaijo.org/index.php/OJED/article/view/241924.