925
S456M
           Sehgel, Narendra K
               Memoirs of Ruchi Ram sahni pioneer of science popularization of Punjab \ Narendra K Sehgal and Subhodh Mahnti - New Delhi : Vigyan Prasar, 1997.
               xxvi, 189p.
                ISBN: 8174800166

C16951
                Subjects: RUCHI RAM SAHNI-BIOGRAPHY.