00757cas|a2200181 i 450000500170000000800410001703500150005810000170007324501320009026000990022230000100032149000310033165000270036265000340038965000280042370000230045181001010047420260818145341.0090501s1981    us  uzm rtt  00|  a1eng d  a.b103989581 aKemal, A. R.10aLearning by doing while remembering forgetting, with reminders from Pakistan manufacturing data /cby ... and Richard C. Porter  aAnn Arbor, Mich. :bCenter for Research on Economic Development, University of Michigan,c1981  a21 p.1 aDiscussion paper ;vno. 92 0aPakistanxManufactures 0aPakistanxEconomic conditions 0aIndustrial productivity10aPorter, Richard C.1 aMichigan.bUniversity.bCenter for Research on Economic Development.tDiscussion paper ;vno. 92