000 00252nam a22001097a 4500
999 _c169545
_d169545
082 _a
_b
100 _aRam Kumar Rai
245 _aVyavaharika manovijnana/
_cby Ram Kumar Rai.
260 _aVaranasi:
_bChaukhamba,
_c1977.
650 _a
942 _cBK