"harper, w m. "
statistics: / w.m. harper - 6 ed. - uk : prentice-hall 1991. - "x, 501p.; 21 cm."
0-273-63426-7
statistics
519. 5 har
statistics: / w.m. harper - 6 ed. - uk : prentice-hall 1991. - "x, 501p.; 21 cm."
0-273-63426-7
statistics
519. 5 har