MARA ANTERO SIREGAR; NAJLA LUBIS; RUTH RIAH ATE TARIGAN. Production of Lactuca sativa with Variations in Liquid Organic Fertilizer Concentration as an Ecoenzyme Derivative in a Hydroponic System. Journal of Information Technology, computer science and Electrical Engineering, [S. l.], v. 2, n. 1, p. 47–56, 2025. Disponível em: https://ysmk.org/ejournal/index.php/jitcse/article/view/162. Acesso em: 17 mar. 2025.