(2009). The level knowledge of Fish farmers in the breeding and fish production in Tikrit district,Salah –Aldeen province.. , 9(1), 485-494.

. "The level knowledge of Fish farmers in the breeding and fish production in Tikrit district,Salah –Aldeen province.". , 9, 1, 2009, 485-494.

(2009). 'The level knowledge of Fish farmers in the breeding and fish production in Tikrit district,Salah –Aldeen province.', , 9(1), pp. 485-494.

The level knowledge of Fish farmers in the breeding and fish production in Tikrit district,Salah –Aldeen province.. , 2009; 9(1): 485-494.