Ram kumar, . (2012). Pen and Ink Drawing of Ramkumar. [s.l]: Vadhera Art Gallery , Delhi.
Ram kumar, . 2012. Pen and Ink Drawing of Ramkumar. [s.l]: Vadhera Art Gallery , Delhi.
Ram kumar, . Pen and Ink Drawing of Ramkumar. [s.l]: Vadhera Art Gallery , Delhi. 2012.