प्रसिद्ध वैज्ञानिक और उनके आविष्कार = [Famous Scientists and their Inventions] = [Prasiddha Vaigyanik Aur Unke Avishkar] /

सुरजीत [Surajeet]

प्रसिद्ध वैज्ञानिक और उनके आविष्कार = [Famous Scientists and their Inventions] = [Prasiddha Vaigyanik Aur Unke Avishkar] / सुरजीत [Surajeet] - New Delhi : Pratibha Pratishthan, ©2022. - 80p.

Hindi

9789386001498


Scientists--Biography
Scientists
Biography
Hindi--Literature

509.22 / SurP