00302nam a2200133Ia 4500008004100000020001800041082001100059082001000070100001400080245002300094260001400117260002800131260000900159230118s9999||||xx |||||||||||||| ||und||  a81-85015-91-0  a519.72  bHAD/L  agbhadley 0alinear programming  anew delhi  bnarosa publishing house  c1987