TY  - BOOK
AU  - Tessmer,Martin 
TI  - Planning and Conducting Formative Evaluations 
SN  - 9780749408015
U1  - HS Cir 371.122 T284 1993  
PY  - 1993///
CY  - London
PB  - British Library
N1  - Indexies
ER  -