00490nam a2200169Ia 4500 6104 6104 OSt 20200125101731.0 190216s9999||||xx |||||||||||||| ||und|| oclc 658.5 GUP/P Gupta, C B 1172 Production Productivity And Cost Effectiveness / C B Gupta 7th ed. Sulthan Chand&Sons, 1995. New Delhi: 299p BK ddc 658.5 GUP/P 658.5 GUP/P