B. S. Journal, "CFIA-Turbidimetric and Photometric Determination of Vitamin B9 (Folic acid) Using LEDs as a Source of Irradiation and Two Solar Cells as an Energy Transducer: Nagam S. Turkey Al-Awadi |Nagam S. Turkey Al-Awadi ", Baghdad Sci.J, م 14, عدد 4, ص 0773, 2017.