TY  - BOOK
AU  - Lucas, Maria Rita D.
TI  - Field study 1: The learner's development and environment
SN  - 971-685-716-0
U1  - Fil.(R) 371.1 L960 C2010 
PY  - 2010///
CY  - Philippines
PB  - Lorimar Publishing Co., Inc.
ER  -