(1978). The effect of crude fibre level and type of roughage on the yield and quality of milk and fat with Friezian cows. test, 18(2), 91-103. doi: 10.21608/ejap.1978.140526

. "The effect of crude fibre level and type of roughage on the yield and quality of milk and fat with Friezian cows". test, 18, 2, 1978, 91-103. doi: 10.21608/ejap.1978.140526

(1978). 'The effect of crude fibre level and type of roughage on the yield and quality of milk and fat with Friezian cows', test, 18(2), pp. 91-103. doi: 10.21608/ejap.1978.140526

The effect of crude fibre level and type of roughage on the yield and quality of milk and fat with Friezian cows. test, 1978; 18(2): 91-103. doi: 10.21608/ejap.1978.140526