TY  - BOOK
AU  - Soumelis,Constantin G.
TI  - Project evaluation methodologies and techniques
SN  - 9231014560
U1  - 300/.7/2 SOU 
PY  - 1977///
CY  - Paris
PB  - Unesco
N1  - Bibliography: p. 112-114; EDN 2203 Educational Assessment and Evaluation
ER  -