รติกุลฐิตินันท์ ธ, อักษรวงศ์ ร. Effect of the Development of Integrated Science Process Skills and Scientific Mind Using 7E Cycle and Polya’s Problem Solution Instructions of Matthayom Suksa 4 Students. ubonreseva [internet]. 2021 Aug. 29 [cited 2025 Apr. 29];5(2):11-8. available from: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/251008