F. Haque, A. S. Hassan, M. A. A. Jahan, and S. K. Roy, “In vitro shoot proliferation and plant regeneration of Plumbago indica L. (Ractochita), a rare medicinal shrub of Bangladesh”, Bangladesh J. Sci. Ind. Res., vol. 47, no. 2, pp. 197–202, Jul. 2012.