Matrices and simplex algorithms : a teextbook in mathematical programming and its associated mathematical topics /

by Heesterman, A. R. G., Heesterman, A. R. G.
Published 1983

Matrices and their roots : a textbook of matrix algebra

by Heesterman, A. R. G., Heesterman, A. R. G.
Published 1990

En torno a la administración de la demanda /

by Heesterman, A. R. G., Heesterman, A. R. G.

Forescating models for national economic planning /

by Heesterman, A. R. G.
Published 1972