000
00275nam a2200109Ia 4500
008
220201s1994 xx 000 0 eng d
100
_a
Manjeet Singh
245
0
_a
Polytechnic mathematics made easy
260
_b
Delhi: Dhanpat Rai & Sons
_c
1994
300
_a
32
942
_2
ddc
999
_c
86077
_d
86077