ใจเย็น เ, บุญสวรรค์ส่ง เ, ยุตาคม น. Integrated Science Process Skills on Chemical Equilibrium of High School Students from Schools in Chanthaburi Province. kasetsart J. Soc. Sci. [internet]. 2007 Apr. 30 [cited 2026 Sep. 11];28(1):11-22. available from: https://so04.tci-thaijo.org/index.php/kjss/article/view/246419