Speed calculation : Gaurav Tekriwal
Tekriwal , Gaurav
Speed calculation : Gaurav Tekriwal ganit mein assem safalta paye / - 1st ed. - New Delhi : Prabhat publication , 2017. - 272 p.
9789352661503
Mental calculators
513.9 / TEK/S
Speed calculation : Gaurav Tekriwal ganit mein assem safalta paye / - 1st ed. - New Delhi : Prabhat publication , 2017. - 272 p.
9789352661503
Mental calculators
513.9 / TEK/S