Naeem, M. , Salam, A. , Ashraf, M. , Imran, M. , Ahmad, M. , Khan, M. , Ayaz, M. , Ali, M. , Ali, A. , Ishtiaq, M.. "Studies on Seasonal Variations of Physico- Chemical Parameters of Fish Farm at Govt. Nursery Unit, Muzaffargarh, Punjab, Pakistan". World Academy of Science, Engineering and Technology, Open Science Index 60, International Journal of Nutrition and Food Engineering (2011), 5(12), 941 - 945.