Garsow, James D. and Sherrill B. Nott (1992), “Impact of Michigan Dairy Manure Handling Alternatives”, No. 561, Department of Agricultural Economics", Michigan State University, East Lansing.
Ramachandran, T., “Rural Employment and Income Generation in Dairy Farming-A Case Study If Kanyakumari District”, Indian J Agril Econ., 59(3): 2004, pp.643.
U.S. Department of Agriculture-Foreign Agricultural Service (USDA-FAS). 2007. India: Dairy and Products Annual 2007. GAIN Report Number: IN7100, Global Agriculture Information Network, October 2007.