Rastrye Pathyacharya ki Ruprekha 2005 : Vigyan Shikshan 1.1
Yadav, Naresh ed.
Rastrye Pathyacharya ki Ruprekha 2005 : Vigyan Shikshan 1.1 - New Delhi N. C. E. R. T. 2008 - p.37
Rastrye Pathyacharya ki Ruprekha 2005 : Vigyan Shikshan 1.1 - New Delhi N. C. E. R. T. 2008 - p.37