Epstein, T.Scarlett A Training manual for development market research (DMR) investigators/ T.Scarlett Epstein, Janet Gruber, Graham Mytton. - London : BBC World Service, 1991. - 76p. Includes bibliographical references and appendices ISBN: 1873788029 Subjects--Topical Terms: Development - Market Research LC Class. No.: HF 5415 EPS 1991