Lestari, Wahyu, Sujarwati, Atria Martina, Imelda Wardani, and Daryono. “Germination Capacity of Helianthus Annuus Less Seeds on Soil Media Contaminated by Waste”. Jurnal Biologi Tropis 23, no. 2 (March 14, 2023): 154–163. Accessed May 20, 2024. http://www.jurnalfkip.unram.ac.id/index.php/JBT/article/view/4821.