Development of a dynamic simulation model for planning physical distribution systems :
formulation of the mathematical model /
by Omar Keith Helferich.

APA Citation

Helferich, O. Keith. (1970). Development of a dynamic simulation model for planning physical distribution systems: formulation of the mathematical model. .

MLA Citation

Helferich, Omar Keith. Development of a Dynamic Simulation Model for Planning Physical Distribution Systems: Formulation of the Mathematical Model. , 1970.

Warning: These citations may not always be complete (especially for serials).