Raheem, M., E.- ul-H. Chaudhary, R. Khalid, M. A. Chaudhary, and V. Timmer. “Contribution of Micronutrient Fertilization in Wheat Production and Its Economic Repercussions: Micronutrient Fertilization in Wheat”. Biological Sciences - PJSIR, vol. 53, no. 2, Apr. 2010, pp. 92-97, https://v2.pjsir.org/index.php/biological-sciences/article/view/432.