Molee, A. , Duanghaklang, N. , Mernkrathoke, P. (2011). 'Interaction Effect of DGAT1 and Composite Genotype of Beta-Kappa Casein on Economic Milk Production Traits in Crossbred Holstein'. World Academy of Science, Engineering and Technology, Open Science Index 56, International Journal of Nutrition and Food Engineering, 5(8), 414 - 416.