Gugaew, Phansphitcha, Somthawin Khunkhet, and Pariya Pariput. 2026. “Development of Mathematical Critical Thinking Ability Using Learning Activities Based on the TPACK Framework for Grade 11 Students”. Ratchaphruek Journal 24 (2):444-58. https://doi.org/10.14456/rpjnrru.2026.26.