Natural Oral Care in Dental TherapyDurgesh Nandini Chauhan, Prabhu Raj Singh, Kamal Shah, Nagendra Singh Chauhan · First published 2020Open the Tome
Encyclopaedia of the Indian Biography (set of 8 vols)Nagendra Singh · First published 1997Open the Tome
Achievements of UNCTAD-1 (1964) and UNCTAD-2 (1968) in the field of shipping and invisibles, with full documentationNagendra Singh · First published 1969Open the Tome
