JANTIMA, N.; CHAICHANA, N. The Development of Scientific Skills and Learning Achievement on Rocks and Fossils of Grade 6 Students at Phanpasoksawad School Using GPAS 5 Steps Learning Approach. Education journal Faculty of Education, Nakhon Sawan Rajabhat University , Nakhon Sawan,Thailand, v. 9, n. 2, p. 30–45, 2026. DOI: 10.2774.EDU2026.2.285183. Disponível em: https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/285183. Acesso em: 16 sep. 2026.