00428     2200181   4500001002100000035002000021245003100041100002400072250001100096260003200107300003200139084001100171082001100182650001900193650001600212990000900228990000900237INLIS000000000004388  a0010-0321000472  aTropical farming economics  aMargaret R. Haswell  a1st.ed  aLondonbLongman Groupc1973  axxiv, 174 p.c: ill ; 23 cm  a63.003  a63.003  aPROGRAM LINEAR  aMATEMATIKA.  a1616  a1616