000 00355nam a2200145Ia 4500
008 150518s1991||||xx |||||||||||||| ||und||
020 _a8170243866
082 _a371.3
_bSWA
100 _aSwaroop, S N
245 _aTraining aids
_cSwaroop, S N
250 _a-
260 _aNew Delhi
_b Ashish Publishing House
_c1991
300 _ax, 57 p.
942 _cBK
999 _c16958
_d16958