Arshad, I. (2017) “Effect of Different Levels of Water Soluble NPK(20-20-20) Fertilizer on the Growth and Yield of White Radish (Raphanus sativus L.)”, PSM Biological Research, 2(2), pp. 74-78. Available at: https://journals.psmpublishers.org/index.php/biolres/article/view/63 (Accessed: 18October2019).