M. M. Maqbool, M. Ahmad, A. Ali, R. Mehmood, M. Ahmad, and M. Sarwar, “Optimizing the Method and Source of Phosphatic Nutrition for Wheat (Triticum astivum L.) Under Agro-Climate of Dera Ghazi Khan, Pakistan”, Pak. J. Nutr., vol. 11, no. 9, pp. 885–890, Aug. 2012, doi: 10.3923/pjn.2012.885.890.