TY  - BOOK
AU  - Walling, Donovan R
TI  - Writing for understanding : strategies to increase content learning
SN  - 9781412964357
U1  - 421.52 WAL 
PY  - 2009///
CY  - Thousand Oaks, CA
PB  - Corwin Press
KW  - English language -- Composition and exercises -- Study and teaching (Secondary)
KW  - Language arts -- Correlation with content subjects
KW  - Schreib- und Lesefähigkeit
ER  -