Aggarwal, J. C. Essentials of examination system : evaluation, tests and measurement / - 2nd ed. - New Delhi, Vikas Publishing House Pvt Ltd. , c1997. - xiv, 422 p. : ill. ; 22 cm. Includes index and bibliography. ISBN: 8125000519 LC Class. No.: 3962 Dewey Class. No.: 373.12 / AGG