Noriko, Nita. “Enviroment Knowledge Implementation to Senior High School and Collage Students Activities”. JURNAL Al-AZHAR INDONESIA SERI HUMANIORA 5, no. 1 (March 30, 2019): 17–20. Accessed November 8, 2025. https://journal.uai.ac.id/index.php/SH/article/view/326.