Muhammad Naeem and  Abdus Salam and  Muhammad Ashraf and  Muhammad Imran and  Mehtab Ahmad and  Muhammad Jamshed Khan and  Muhammad Mazhar Ayaz and  Muzaffar Ali and  Arshad Ali and  Memoona Qayyum Abir Ishtiaq,  Studies on Seasonal Variations of Physico- Chemical Parameters of Fish Farm at Govt. Nursery Unit, Muzaffargarh, Punjab, Pakistan.   journal   = {International Journal of Nutrition and Food Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 941 - 945
    [viewed 01 December 2021]. Available from: https://publications.waset.org/pdf/3159.