TY  - GEN
AU  - Jayasooriya , H. T. R
AU  - Dassanayake , V. D.
TI  - Developmental biology part-II: zoology
SN  - 95523065606
U1  - 571.8 
PY  - 1997///
CY  - Nugegode
PB  - Open University
KW  - Biology
ER  -