Abdel-Ghafar, H., Abdel-Aal, E., El-Shall, H., Ibrahim, M., Ismail, A. (2018). 'Development of Novel and Cost Effective Techniques for Purification of Commercial Grade Phosphoric Acid for Fertilizers, Food and Pharmaceutical Industries', The International Conference on Chemical and Environmental Engineering, 9(9th International Conference on Chemical & Environmental Engineering), pp. 450-450. doi: 10.21608/iccee.2018.34696