000
00301nam a2200133Ia 4500
008
160316s1986 xxu||||| |||| 00| 0 eng d
020
_a
100
_a
R. Ramakumar
245
_a
Technical Demography
250
_a
1st
260
_a
NEW DELHI
_b
WILEY EASTERN LTD.
_c
1986
300
_a
219
700
_a
_a
999
_c
2022
_d
2022