Kumar, Deepak, et al. “Influence of Sowing Dates and Nitrogen Scheduling on Growth Behaviour and Productivity of Late Sown Wheat (Triticum Aestivum L.) in North Indian Plains”. Annals of Agricultural Research, vol. 37, no. 1, May 2016, https://epubs.icar.org.in/index.php/AAR/article/view/57887.