Wu B, Choicharoen T, Juithong S. Effect of Problem-based Learning on the Biology Summarizing Ability of Eighth-Grade Students of Zhengzhou No.1 Middle School in the People’s Republic of China. IJSASR [internet]. 2025 Jun. 30 [cited 2025 Dec. 10];5(4):39-48. available from: https://so07.tci-thaijo.org/index.php/IJSASR/article/view/6051