Sania, Hani, Resti Fevria, Vauzia Vauzia, Abdul Razak, Yulkifli Yulkifli, and Sri Mutiar. 2025. “Effect of Sensor and Based NPK on the Growth of Pakcoy (Brassica Rapa L.) Cultivation Hydroponic”. Jurnal Biologi Tropis 25 (1):807-13. https://doi.org/10.29303/jbt.v25i1.8514.