Social Law 4.0: Update
Ulrich Becker & Olga Chesalina
Vaccines, Medicines and COVID-19
Germán Velásquez
Atkins' Physical Chemistry
Peter William Atkins & Julio De Paula & James Keeler
Infectious Disease Epidemiology
Kenrad E. Nelson & Carolyn Masters Williams
Image Processing and Intelligent Computing Systems
Prateek Singhal & Abhishek Verma & Prabhat Kumar Srivastava & Virender Ranga & Ram Kumar