1. Davar, Rustom, S. (1989), Modern Marketing Management, Crown Publishing House, Bombay.
2. Eliashberg, J., Steinberg, R ( 1987), “Marketing –production coordination in channels of distribution European journal of operation research”, volume 126, issue1, 1 october 2000.
3. Gupta, S.P. (1994), Statistical Methods, Sultan Chand & Sons, New Delhi.
4. Jain, K.G., Aggarwal, L.N. (1990), Production Planning Control and Industrial Management, Khana Publishers, New Delhi.
5. Magali, Joseph John (2009) Evaluation of maize production and marketing performance: A case study of Mbeya rural district, Mbeya region, Tanzania.
6. Majumdar, P.K. (2005), Research methods in Social Science, viva books Pvt. Ltd., Kolkata.
7. Memoria, C.B. Satish Memoria, (1990), Marketing Management, Kitab Mahal, Bombay.
8. Philip Kotler, (1975), Marketing Management prentice Hall of India Pvt. Ltd., New Delhi.
9. Sharma, D.D. (1992), Marketing Research – Principles, Applications & cases, Sultan Chand & Sons, New Delhi.
10. Zaltman, G, Burgar, P.C. (1975), Marketing Research, Pryden Press.
11. www.heromotors.corp