Sahetya, Meenakshi, Surya Pratap Singh, Mahaveer Prasad khichi, and Yogesh Yaduwansi. 2014. “Polyelectrolytes: As a Drug Delivery System”. PharmaTutor 2 (2), 44-51. http://www.pharmatutorjournal.com/index.php/pt/article/view/43.