Objective arithmetic including elementary statistics, graphs and tabulation /
Gulati, G. L.
Objective arithmetic including elementary statistics, graphs and tabulation / - 11th ed. - New Delhi : Bright Publications , 2012. - 320 p.
9788171995196
Objective arithmetic including elementary statistics, graphs and tabulation / - 11th ed. - New Delhi : Bright Publications , 2012. - 320 p.
9788171995196