TY  - GEN
AU  - Jayasooriya, H.T.R.
AU  -  Dassanayaka, V.D.
TI  - Developmental biology part 1: Zoology
SN  - 9552306361
U1  - 571.8 
PY  - 1996///
CY  - Nugegoda
PB  - Open University
KW  - BIOLOGY
ER  -