Gupta, C. B. Introduction to statistical methods C. B. Gupta - 19th ed. - Ghaziabad Vikas Publishing 1981 - various paging.; ill. 24 cm The 23rd ed. of this book was also authored by Vijay Gupta. ISBN: 978-81259-1654-3 Dewey Class. No.: 519.5 / GUP