N.Ramesh Kumar, & V. Vaidhyalingam. (2020). Development and validation for the simultaneous quantification of Montelukast and Levocetirizine by UV, RP -HPLC and HPTLC methods in tablets. IJPAR JOURNAL, 5(3), 487–496. https://doi.org/10.61096/ijpar.v5.iss3.2016.487-496