00253nam a2200109Ia 4500082002400000100001600024245004200040260002900082300002200111500000500133700000500138  a338.900182bB743.PD  aBose, P. K.  aPlanning-development and statisticsb  aCalcuttabS. P. S.c1988  ax, 136p. Appendix  a  a