Singh, Kunwar D. Mangerial economics : theory and application / Kunwar D. Singh, Nyandemo S. M. - Dehra Dun : Bishen Singh Mahendra Pal Singh, 2003. - 254 p. ISBN: 8121103908 : KES 560 Subjects--Topical Terms: Managerial economics. LC Class. No.: HD30.22 / .S56