Afroz, C., Shimul, M., Ikrum, M., Siddiky, M., & Razzaque, M. (2016). Effects of Nitrogen Phosphorus Potassium and Sulphur on Growth Yield and Nutrient Content of Strawberry (Fragaria ananassa). Journal of Environmental Science and Natural Resources, 9(1), 99–108. https://doi.org/10.3329/jesnr.v9i1.30300