TY  - BOOK
AU  - Ahola  Deb
AU  - Abbe Kovacik
TI  - Observing and  understanding child development: A child study manual 
SN  - 9781418015367
AV  - HQ772  .A33   2007 
PY  - 2007///
CY  - New York
PB  - Delmar Cengage learning
KW  - Development
N1  - Includes bibliographical reference and index
ER  -