Huppert,walter
Situation conformity and service orientation in irrigation management basic concepts - Eschborn Technische zusammenarbeit 1989 - 189
3880854238
627.52 / HUP/SI
Situation conformity and service orientation in irrigation management basic concepts - Eschborn Technische zusammenarbeit 1989 - 189
3880854238
627.52 / HUP/SI