References

Acosta, M., D. Coronado and C. Romero, 2015. Linking public support, R&D, innovation and productivity: New evidence from the Spanish food industry. Food Policy, 57: 50-61.
Direct Link  |  

Bagheri, A., 2007. Vague concepts of productivity and performance. Tadbir Issue, 173: 55-60.

Broekel, T., 2015. Do cooperative research and development (R&D) subsidies stimulate regional innovation efficiency? Evidence from Germany. Reg. Stud., 49: 1087-1110.
Direct Link  |  

Chen, J.R., Y.P. Chu, Y.P. Ou and C.H. Yang, 2015. R&D specialization and manufacturing productivity growth: A cross-country study. Japan World Econ., 34: 33-43.
Direct Link  |  

Hornung, D., 2013. Investment R&D and Long-Run Growth. Vol. 509, Springer, Berlin, Germany,.

Poor, R.A.A., 1999. Optimization of Design, Planning, Maintainace Methods and Utilization in Telecommunication Company of Iran (Models and Measurement Methods). TCI Publications, Tehran, Iran,.

Sanati, A.M. and D. Einabadi, 2007. The measurement of productivity. Tadbir Issue, 181: 40-44.

Shaghaghi, A. and M. Shafiei, 2007. Promotion of Effective and Competitive Participation of SMEs in Economic and Industrial Development. Rasa Publisher, Tehran, Iran,.

Taheri, S., 2005. Productivity and its Analysis in Organizations. Publications Ontology, Tehran, Iran .