Companion to science in the twentieth century/

समान संसाधन

• Sikhap-Vidhiyom Ki Rooprekha
  द्वारा: Chaudhari, Ramkhelavan
• Science in the twentieth century tr by A J Pomerans /
  प्रकाशित: (1966)
• The longman companion to European decolonisation in the twentieth century/
  द्वारा: Muriel E Chamberlain
  प्रकाशित: (1998)
• Science and society in the twentieth century /
  द्वारा: Sherman, Wendy R.
  प्रकाशित: (2004)
• Companion to the history of modern science/
  प्रकाशित: (1996)