Amritsari, Atmaram _ Dudani, S.A Srishti vigyan _ - New Delhi Vijayakumar Govindharam Hasanandh 2023 - 192 p. pB 22 cm. ISBN: 9788170772606 Subjects--Personal Names: _ Subjects--Uniform Titles: Orgin and Nature of life Dewey Class. No.: 113.8 / AMR