004780000a22001690004500 100 519.50 2 CHA Chakravarthi, I.M. Laha, R.G. Roy, J Hand book of methods of applied statistics V.2 planning of surveys and experimetns NewYork, John Wiley & Sons INC 1967 160 Applied statistics/ sample selection/ sample survey - estimation BK 351832 351832 0 0 0 0 KAUCOAV KAUCOAV 2014-05-02 0 519.50 2 CHA KAU_COAV-6580 2014-05-02 00:00:00 2014-05-02 BK