Aripta TP, Suciyati SW, Supriyanto A, Junaidi J. Prototype Measuring Levels of Dissolved Ammonia Based on TSL2561 Sensor Calibrated Thermo Scientific Genesys 30 Visible Spectrophotometer. J. Energy Mater. Instrum. Technol. [Internet]. 2022Aug.31 [cited 2025Oct.12];3(3):89-98. Available from: http://jemit.fmipa.unila.ac.id/index.php/jurnal/article/view/110