Indian Cow (The): The Scientific and Economic JournalYear : 2013, Volume : 9, Issue : 35 First page : ( 2) Last page : ( 5) Print ISSN : 0972-9585. Online ISSN : 0973-9696.
Cow dung-source of clean and sustainable energy
Prof. Sharma S.K.
Principal Scientist (Retd.) Karnal (Haryana)
Online published on 30 January, 2014.