Hardik Makwana, Parag Patel, Prashant Patel, and Bhawankumar P. Patel. 2015. “Formulation, Optimization and Evaluation of Taste Masked Oral Disintegrating Tablet of Verapamil HCl”. World Journal of Pharmaceutical Sciences 3 (6):1125-33. https://www.wjpsonline.com/index.php/wjps/article/view/formulation-optimization-taste-masked-tablet-verapamil.