Abalone, R., A.Cassinera, , A.Gastón, , and M. A. Lara. (2004). Some physical properties of amaranth seeds. Biosystems Engineering, 89(1): 109-117. doi: 10.1016 / J. Biosystemseng.
Bakhtiari, M. R. )2012(. Design, development and evaluation of a kenaf pneumatic seeding machine. PhD Thesis, University Putra Malaysia, Kuala Lumpur, Malaysia. Retrieved from
http://www.upm.edu.my.
Chancellor, W. J. )1981(. Substituting information for energy in agricultural. Trans. ASAE, Paper No. 0001-2351.
Chen, J. M., C. C. Yu, J. H. Lei, J. M. Yu , and C. F. Chang.)1993(. A multipurpose vacuum seed planter for vegetable crops plantings. Journal of Agriculture and Forestry, 42(1), 1–18.
EL-Ghobashy, H. M., T. H. A. Mohamed, A. M. EL-Ashker ,and Y. A. Shabaan.)2016(.Development of a Locally Vacuum Vegetable Seeder for Nursery TraysJ.Soil Sci. and Agric. Eng., Mansoura Univ., Vol. 7(8): 595- 602.
Gaikwad B.B, N.P.S. Sirohi , and A. Kumar.)2007(. Studies on Vacuum Singulation of Seeds for Sowing Nursery Plug Trays. Journal of Agricultural Engineering . Vol.44, 54- 59. Print ISSN : 0256-6524.
Gaikwad B.B. and, N.P.S. Sirohi.) 2008(.Design of a low-cost pneumatic seeder for nursery plug trays. Biosystem Engineering. 322 – 329.
Hanacek, W. A. and P. Bickel.)1984(. United States Patent. Patent No. 4,466,554.
Kim, D. E., Y. S. Chang, S. H. Kim, and G. I. Lee.)2003(. Development of vacuum nozzle seeder for cucurbitaceous seeds (I)-design factors for vacuum seeding large sized seeds. Journal of the Korean Society for Agricultural Machinery, 28(6), 525–530.
Oida , A. )1997(. Using personal computer for agricultural machinery management . Kyoto University. Japan. JICA publishing.
Singh, R. C., G. Singh, and D. C. Saraswat. )2005(.Optimization of design and operational parameters of a pneumatic seed metering device for planting cottonseeds. Biosystems Engineering, 92(4): 429-438.
Sriwongras P. and P. Dostal. )2013(. Development of seeder for plug tray. MENDELNET . 867-871.
Tawfik, H.A.) 2014(. Developing an automatic mechanism for precision seeder. Ph. D. thesis. Agric. Eng. Dept., Agric. Fac. Mansoura Univ.
Zhao Z., L.Yaoming, J. Chen, and X. Lizhang. )2010(. Numerical analysis and laboratory testing of seed spacing uniformity performance for vacuum-cylinder precision seeder. Biosystems Engineering, 106, 344-351.
Zigmanov, P. )1997(. Efficiency of Machine Sowing of Vegetable Seed into Containers. Novi Sad, Yugoslavia. (p 92).