Ghader, S., V. Shadravan, S. S. Mansouri, and A. Farsi. “Representation of Material Balance for Fractional Crystallization of Reciprocal Salt Pair Systems: KNO<sub>3</sub> Production Case Study”. Chemical Engineering Research Bulletin, vol. 14, no. 2, Nov. 2010, pp. 103-9, doi:10.3329/cerb.v14i2.5542.