Jaswin, Muhammad Khaerul Naim Mursalim, dan Raymond Erz Saragih. “Monitoring A Nutrient Film Technique (NFT) Hydroponic System For Nutrient Delivery To Bokchoy Plants”. Journal of Digital Ecosystem for Natural Sustainability 6, no. 1 (Juli 30, 2026): 41–50. Diakses Agustus 8, 2026. https://journal.uvers.ac.id/index.php/jodens/article/view/375.