9Metha tk K.Effect of pelleting and urea plus Ago-industrial by products on digestibility of nutrients and rumen fermentation in buffaloes[A].Msc Thesis [C].Kurukahetra : Kurukahetra University, 1981.
10Michael R.A cost-benefit analysis of changing to TMR feed system[A]. Advances in Dairy Tech[C],1995,251 - 257,.