มาหล้า ธ, พรหมมาพันธุ์ บ, วงศ์เชิดธรรม น. The calculation and reasoning skills in mathematics learning area diagnostic test development for Prathom Suksa III students in Lampang primary education service area 2. RMURSB-HUMAN [Internet]. 2018 Jun. 28 [cited 2024 May 3];3(1):1-13. Available from: https://so05.tci-thaijo.org/index.php/rmutsb-hs/article/view/123322