Fitriani, Upi, Adisyahputra Adisyahputra, and Ratna Komala. “Eco-Friendly Website Development in Biology Learning Based on Project Activities on Environmental Pollution”. Biosfer: Jurnal Pendidikan Biologi 11, no. 1 (April 3, 2018): 33-47. Accessed December 14, 2025. http://103.8.12.212:33180/unj/index.php/biosfer/article/view/5431.