1. Utilization of by-product phosphogypsum for building materials;Singh,1988
2. Effect of phosphogypsum impurities on the morphology and physical characteristics of set plaster;Singh,1983
3. Beneficiation of phosphogypsum for use in building materials;Singh;National Seminar on Building Materials - Their Science and Technology, New Delhi, India,1982
4. Rendering phosphogypsum suitable for plaster manufacture;Singh;Indian Journal of Technology,1984