“Determination of Doxycycline Hyclate by Batch and Reverse Flow Injection Analysis Based on the Oxidative Coupling Reaction with 3-Methyl-2-benzothiazolinone Hydrazone hydrochloride (MBTH)”, Baghdad Sci.J, vol. 13, no. 2.2NCC, p. 0489, Jun. 2016, doi: 10.21123/bsj.2016.13.2.2NCC.0489.