Ilaybi, Hakeem Jabbar, and Mustafa Abdulkadhim Hussien. “ Flow Injection Analysis System With Smart Phone  for The  Determination  of  total  Phenolic Compounds in Wastewater Using Folin Ciocalteu Reagent ”. Journal of Kufa for Chemical Sciences 3, no. 1 (December 10, 2023): 1–10. Accessed May 19, 2024. https://journal.uokufa.edu.iq/index.php/jkcs/article/view/11114.