Iqbal, N., T. Iqbal, W. Ishaque, M. Rafiq, M. Fazil, and A. Ghaffar. “MONITORING AND QUANTIFICATION OF SOIL WATER CONTENT AND FLUXES IN DEEP LAYERS OF WHEAT CULTIVATED SOILS TO IMPROVE WATER USE EFFICIENCY”. The Nucleus, vol. 50, no. 4, Dec. 2013, pp. 329-40, http://thenucleuspak.org.pk/index.php/Nucleus/article/view/736.