Kothari, C.R..
Quantitative Techniques / - 1st ed / - New Delhi-2 : Vikas Publishing House Pvt. Ltd. , 1998 - p369 :
0-7069-0642-X
Economics
X:8:(B28) / L8;1
Quantitative Techniques / - 1st ed / - New Delhi-2 : Vikas Publishing House Pvt. Ltd. , 1998 - p369 :
0-7069-0642-X
Economics
X:8:(B28) / L8;1