Development and Preliminary Evaluation of an Outdoor STEM-Based Extracurricular Activity Toolkit for Supporting Grade 6 Students’ Entrepreneurial Skills in Problem-Solving, Creative Thinking, and Collaboration. Science Essence Journal, [S. l.], v. 42, n. 2, p. 289–305, 2026. DOI: 10.69523/sej.2026.42.17377. Disponível em: https://ejournals.swu.ac.th/sej/article/view/17377. Acesso em: 23 oct. 2026.