Sabillah, Akhmad, et al. “Development of an ESP32-S3 Hydroponic Nutrient Control System With Flow-Based Safety Interlock”. JURNAL EDUNITRO Jurnal Pendidikan Teknik Elektro, vol. 6, no. 2, Sept. 2026, pp. 135-48, https://doi.org/10.68437/jejpte.v6i2.3.