Buyer behaviour : strategic marketing applications / Du Plessis, P. J.

Buyer behaviour : strategic marketing applications / Du Plessis, P. J. (Phillipus Jacobus), 1943-

International economics / Du Plessis, S. P. J. (Sarel Petrus Jakobus), 1938-

Fundamentals of cost and management accounting / Du Plessis, P.

Consumer behaviour : a South African perspective / Du Plessis, P. J.

International economics du Plessis, S.P.J