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  • Authors: Austin Kleon
  • Authors: Daniel J. Velleman
  • Authors: Dr. J.P. Singh
  • Authors: J. Ross
  • Authors: M. D. N. Sahi
  • Authors: V.N.NIGAM
Many students have trouble the first time they take a mathematics course in which proofs play a significant role. This new edition of Velleman's successful text will prepare students to make the transition from solving problems to proving theorems by teaching them the techniques needed to read and write proofs.
Price ₹2,000.00

There are client letters, sales letters, credit and collection letters, letters to employees, to the media, to financial institutions, letters about services and products, letters about employment, letters of congratulation or condolence, and more. Each type of business letter is explained and demonstrated,including how to communicate effectively with overseas business correspondents. 

Price ₹699.00