"kothari, c r. "
quantitative techniques: / c.r. kothari - 3 ed. - mumbai : vikas 1978. - "xv, 596p.; 22 cm."
0-7069-8745-4
--
515. 1 kot
quantitative techniques: / c.r. kothari - 3 ed. - mumbai : vikas 1978. - "xv, 596p.; 22 cm."
0-7069-8745-4
--
515. 1 kot