00373nam a2200121 a 4500008004100000050001500041100002000056245005300076246003400129260006300163300001600226350000900242120416s1981    ||||||||||||||||| ||    u  aHC 915 Bel  aBell, Michael W10aPrimary production in an unstable economic order  athe Zambian economy 1965-1978  aBirminghambThe University of Aston Management Centrc1981  a83p. : ill.  a0.00