Thummikkaphong S, Pupaka D, Deeying S. Development of an Environment Learning Activities Package for Analytical Thinking Development of undergraduate students: a Case Study of Tha Kham Natural Island Mangrove Forest. edunsruj [internet]. 2023 Dec. 28 [cited 2025 Apr. 29];6(3):13-24. available from: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/261226