Sari, Firgi Dama Julia, Novy Eurika, dan Ika Priantari. “The Teachers’ and Students’ Perceptions of the Need for Integrated Contextual Sustainability Biology Worksheets”. JURNAL BIOEDUKASI 9, no. 1 (April 30, 2026): 759–770. Diakses Juli 12, 2026. https://ejournal.xternate.com/index.php/bioedu/article/view/10366.