00560nam a2200121Ia 4500 241024s9999||||xx |||||||||||||| ||und|| De BEER, Carel Efficiency of production systems in developing countries:A case- study in Peruvian metal working industry 1981 Development Research Institute, Occasional paper.7 DEVELOPING COUNTRIES | PERU | METAL WORKING INDUSTRIES | METALLURGY | MINING | MINERAL INDUSTRIES TOON van de VEN 0 0 0 0 MIDS MIDS WP 0000-00-00 0 338.260985 M1 WP6675 2024-10-24 16:45:54 2024-10-24 WP 68995 68995