Agrawal, R.L. 1980. Seed technology. Oxford& IBH publishing co., New Dehli12.
Anderson, R.L. and Beck, D.L .2007. Characterizing weed communities among various rotations in central south Dakota. Weed Technology, 21: 76-79.
Bishaw, Z. 2004. Wheat and Barley Seed Systems in Ethiopia and Syria. Ph.D. Thesis, Wageningen University, Wageningen, the Netherlands, 383p.
Chhokar, R.S. and Malik, R.K .2002. Isoproturon resistant Phalaris minor and its response to alternate herbicides. Weed Technology, 16: 116-123.
Chhokar, R.S. and Malik, R.K. 1999. Effect of temperature on the germination of Phalaris minor Retz. Indian Journal of Weed Science, 31: 73-74.
Chhokar, R.S., Sharma, R.K. and Sharma, I. 2012. Weed management strategies in wheat-A review. Wheat Research, 4(2): 1-21.
Hasan, B.M.A. 1995. A survey of wheat seed quality in Jordan. University of Jordan, Amman, Jordan. MSc thesis. 95 pp.
International Seed Federation. 2007. The seed industry plays an increasingly vital role in the global pursuit of sustainable growth, ISF world seed congress.
Malik, R.K. and Singh, S. 1993, November. Evolving strategies for herbicide use in wheat: resistance and integrated weed management. In Proc. Indian Soc. Weed Sci. Int. Symp. Hisar, India, 1: 225-238.
Miloševic, M., Vujakovic, M. and Karagic, D. 2010. Vigour tests asindicators of seed viability. Genetika, 42(1): 103 -118.
Roberts, H.A. 1982. Weed control handbook: principles (No. 632.51 R5411w Ej. 1 011662). [sn],.
Sofijanova, E., Kletnikoski, P., Dimovska, V. and Dimitrovski, Z. 2012. Comparative economic analysis of wheat production using certified and uncertified seed: The case of Ovcepole region in Republic of Macedonia. Scientific Works of UFT Volume LIX-2012 “Food Science, Engineering and Technologies”, pp.922-926.
Unonimous, 2020. Wheat and barley production national standard. Ministry of seed control and certified researches, Seed and Plant Certification and Registration Research Institute, Karaj, Iran.
Van Gastel, A.J.G., Pagnotta, M.A. and Proceddu, E. 1996. Seed science and technology. IC Aleppo, Syria.