TY - BOOK AU - Leeflang,P.S.H. TI - Mathematical models in marketing: a survey, the stage of development, some extensions and applications SN - 9020704362 U1 - 658.80182 PY - 1974/// CY - Leiden PB - H.E. Stenfert Kroese KW - Marketing KW - Mathematical models KW - Decision making KW - Management N1 - Includes index; Bibliography: p. 204-209 ER -