NKANYANI, Tebogo E; MUDAU, Awelani V. Natural Sciences Teachers’ Experiences on Teaching Planet Earth and Beyond Knowledge Strand. Journal of Turkish Science Education, [S. l.], v. 16, n. 4, p. 478–488, 2019. Disponível em: https://www.tused.org/index.php/tused/article/view/756.. Acesso em: 18 may. 2024.