Anusorn Cherdthong และ Metha Wanapat. (2010) Effect of urea-calcium mixture and energy source on rumen dynamics and dairy production. Khon Kaen University:ม.ป.ท.Anusorn Cherdthong และ Metha Wanapat. 2010. Effect of urea-calcium mixture and energy source on rumen dynamics and dairy production. ม.ป.ท.:Khon Kaen University;Anusorn Cherdthong และ Metha Wanapat. Effect of urea-calcium mixture and energy source on rumen dynamics and dairy production. ม.ป.ท.:Khon Kaen University, 2010. Print.