1. Technological developments in refining;Bajpai,2005
2. Advances in recycling and deinking;Bajpai,2006
3. Biotechnology for pulp and paper processing;Bajpai,2018
4. Refining technology;Baker,2000
5. Baker, C.F. (1999). Refining recycled fibres, paper recycling challenge – process control & mensuration, Doshi & Associates.