Singh, Nirmal. Marketing principles and techniques / Nirmal Singh and Devendra Thakur. - 2nd rev. ed. - New Delhi : Deep and Deep publications, 2003. - 249 p. ; 24 cm. ISBN: 8176294225 Subjects--Topical Terms: Marketing management.Marketing principles and technique. LC Class. No.: 658.804 / SIN Dewey Class. No.: 658.804 / SIN [ Shelf 80]