Singh, Kunwar D. Elements of economics / Kunwar D. Singh; editors: Shalini Kunwar, Tripti Kunwar, Beena Bisht. - Dehra Dun : Bishen Singh Mahendra Pal Singh, 2003. - 313 p. : ill. ; 22 cm. Includes index. ISBN: 8121103940 : KES 560 Subjects--Topical Terms: Economics. LC Class. No.: HB171 / .S56