TY  - BOOK
ED  - GTZ.
TI  - ZOPP (an introduction to the method) / Deutsche Gesellschaft fur Technische Zusammenarbeit
U1  - R 15.741 GTZ -713   
CY  - Eschborn : GTZ, 1988.
KW  - Projects - Planning
KW  - Objectives - Oriented project planning (zopp)
KW  - AID
ER  -