000 00301nam a2200133Ia 4500
008 160316s1986 xxu||||| |||| 00| 0 eng d
020 _a
100 _aR. Ramakumar
245 _aTechnical Demography
250 _a1st
260 _aNEW DELHI
_bWILEY EASTERN LTD.
_c1986
300 _a219
700 _a
_a
999 _c2022
_d2022