TY  - BOOK
AU  - Lakie, Esubalew
TI  - Linear Three-Level Programming Problem with the Application to Hierarchical Organizations
AV  - LAK 2007 
PY  - 2007///
CY  - Masters thesis
PB  - Addis Ababa University
UR  - http://thesisbank.jhia.ac.ke/6341/
ER  -