KOHNAE, S.; SAFKOLAM, R.; SEKSENG, L. . THE EFFECTS OF USING LEARNING ACTIVITIES PACKAGE ON ENERGY ON OUR EARTH TO ENHANCE LEARNING ACHIEVEMENT OBSERVATION SKILLS AND CLASSIFICATION SKILLS OF 3rd GRADE STUDENTS UNDER THE COVID-19 SITUATION. Research Community and Social Development Journal, Nakhon Ratchasima, Thailand, v. 17, n. 1, p. 14–25, 2023. DOI: 10.14456/nrru-rdi.2023.2. Disponível em: https://so04.tci-thaijo.org/index.php/NRRU/article/view/262489. Acesso em: 3 apr. 2025.