Creative darkroom techniques .

Equity and efficiency effects from manpower programs di Azzi, Corry F.

Environmental issues: population, pollution, and economics di Hines, Lawrence Gregory

Inflation, unemployment, and poverty di Palmer, John Logan

Income maintenance and labor supply econometric studies

Measurement of labour disputes and their economic effects di Fisher, Malcolm R.

Darkroom techniques di Lahue, Kalton C

Sound with vision; sound techniques for television and film di Alkin, E. G. M.

Air pollution damage to vegetation

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A Study to determine the effects of mine tailings on marine life terminal report of the pollution study group