Izzah, Anifatul, Elfa Olivia Verdiana, and Elfa Olivia Verdiana. “Earth Hour Movement Merchandise Design In Batu City As Information Media”. Jurnal Desain Komunikasi Visual Asia 7, no. 01 (February 28, 2023): 55–68. Accessed April 20, 2025. https://jurnal.asia.ac.id/index.php/jeskovsia/article/view/795.