Social survey and research
Tripathi R.N
Social survey and research - Delhi : D .P.S Publishing house , 2011. - 239 p. 22 cm.
9789380801391
Study of historical meterial and measurment of institunal behaviour
300.723 / TRI
Social survey and research - Delhi : D .P.S Publishing house , 2011. - 239 p. 22 cm.
9789380801391
Study of historical meterial and measurment of institunal behaviour
300.723 / TRI