920
S617S
           Singh, Chandra Mani
               Stephen Hawking Anant-Yatri \ Chandra Mani Singh - Prayagraj : Lok Bharti Prakashan, 2022.
               184p.; 23cm
                ISBN: 9789390625055

157602
                Subjects: STEPHEN HAWKING-BIOGRAPHY; INDIAN-SCIENTIST-BIOGRAPHY.