1. Sajo, K.F.: Gypsum—the green material of the future in housing. IIChe—Ind. Inst. Chem. Eng. Q. News Lett. (July–Sept, 2017)
2. BMTPC—Building Material & Technology Promotion Council: Performance Appraisal Certificate, PAC NO: 1009-s/2012 dt 31.05.2012 (2012)
3. Sajo, K.F.: Gypsum Material of the Future—For Green and Affordable Mass Housing In India. The Master Builder (July 2017)
4. CPCB—Central Pollution Control Board (Under Ministry of Environment, Forest & Climate Change): Guidelines for Management, Handling, Utilization and Disposal of Phosphogypsum Generated from Phosphoric Acid Plants (2014)
5. IS 3809:1979: Fire Resistant Test of Structures