Sumirat, Fanny, Udin Syaefudin Sa’ud, Wahyu Sopandi, and Nana Supriatna. “A Brave to Green: Are There Environmental Literacy Problems in Rural Areas Public Elementary Schools?”. Jurnal Penelitian Pendidikan IPA 9, no. 5 (May 31, 2023): 3758–3764. Accessed May 20, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3489.