Alqaramah, Rachel, Resti Fevria, Vauzia Vauzia, and Abdul Razak. “Influence of Tithonia POC and Nano Bubble Technology on Hydroponic Pakcoy (Brassica Rapa L.) Quality”. Jurnal Biologi Tropis 25, no. 2 (April 22, 2025): 1384–1391. Accessed April 24, 2025. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/8782.