Madhav, N. S., V. Kumar, and R. S. Negi. “Formulation of Doxycycline Loaded Floating Film Using Bio-Material Extracted from Tagetes Eracta”. PharmaTutor, Vol. 1, no. 2, Dec. 2013, pp. 106-28, http://www.pharmatutorjournal.com/index.php/pt/article/view/20.