000 00259nam a22001217a 4500
999 _c158599
_d158599
082 _a
_b
100 _aO P Varma
245 _aGeography teaching/
_cby O P Varma/
260 _aNew Delhi:
_bSterling,
_c1991.
300 _a342p.
650 _a
942 _cBK