M. A. Sarwar, M. Tahir, W. Shehzad, S. Hussain, and M. Imran, “Efficacy of Boron as Foliar Feeding on Yield and Quality Attributes of Maize (Zea mays L.): Boron Efficacy for Maize Yield”, Pakistan Journal of Scientific & Industrial Research, vol. 61, no. 1, pp. 9–14, Apr. 2018.