Estimation of Metformin Drug for the Diabetes Patients by Simple, Quick and Cheap Techniques within the Formation of Colored Charge Transfer Complexes
Omar B. Ibrahim1 , El-Sayed A. Manaaa2, 3 , M.M. AL-Majthoub1 , Ahmed M. Fallatah1 , Abdel Majid A. Adam1 , Mha M. Alatibi1 , Jehan Y. Al-Humaidi4 , Moamen S. Refat1, 5, * 
