1. 1. "Machinery Manufacturers - Secondary Tillage". Worldwide Agricultural Machinery and Equipment Directory. 2006-11-14. Retrieved 2007-07-12
   2. P.Vijay, K.V.N.Rakesh, B.Varun, “Design of a MultiPurpose Seed Sower Cum Plougher”, ISSN 2250-2459, ISO9001:2008 Certified Journal, Volume 3, Issue 4, April 2013.
   3. Gyanendra Singh , Director, Central Institute of Agricultural Engineering, Bhopal
   4. ShreematShrestha, Senior Scientist, Agricultural Engineering Division, Nepal Agricultural Research Council Khumaltar, Nepal.
   5. ShamraoParhate, Pandhurna, Chinndwara, Madhya Pradesh ShamraoParhate
   6. R K Bhansal ,Strength of Material, Lakshmi Publications, ISBN 9788131808146, pg 237-294.
   7. Prof.Swapnil.L.Kolhe,Nilesh.B,Gajbhiyevivek. B,Deshmukh, “ Eco Friendly Mechanically operated Multipurpose Spray Pump” International Journal of Research in Advent Technology, Vol.2, No.2, February 2014 E- ISSN: 2321-9637
   
   
2. 1. "Machinery Manufacturers - Secondary Tillage". Worldwide Agricultural Machinery and Equipment Directory. 2006-11-14. Retrieved 2007-07-12
   2. P.Vijay, K.V.N.Rakesh, B.Varun, “Design of a MultiPurpose Seed Sower Cum Plougher”, ISSN 2250-2459, ISO9001:2008 Certified Journal, Volume 3, Issue 4, April 2013.
   3. Gyanendra Singh , Director, Central Institute of Agricultural Engineering, Bhopal
   4. ShreematShrestha, Senior Scientist, Agricultural Engineering Division, Nepal Agricultural Research Council Khumaltar, Nepal
   5. ShamraoParhate, Pandhurna, Chinndwara, Madhya Pradesh ShamraoParhate
   6. R K Bhansal ,Strength of Material, Lakshmi Publications, ISBN 9788131808146, pg 237-294.
   7. Prof.Swapnil.L.Kolhe,Nilesh.B,Gajbhiyevivek. B,Deshmukh, “ Eco Friendly Mechanically operated Multipurpose Spray Pump” International Journal of Research in Advent Technology, Vol.2, No.2, February 2014 E- ISSN: 2321-9637