Who is writer of Hindi Title Salesman sahayak?

Hindi Book Name: 

Who is writer of Hindi Title Salesman sahayak?

The writer of Hindi Title Salesman sahayak is U Bhowmik.

In Hindi: 

Salesman sahayak पुस्तक के लेखक कौन है?

Salesman sahayak पुस्तक के लेखक U Bhowmik है I

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