TY  - BOOK
AU  - Weerasinghe, B;
TI  - The Open University of Sri Lanka : Course of Study Leading to The Degree of Bachelor of Science : Botany Level 4 - Block 1 : Genetics - PSU 1207
U1  - 581.15 
PY  - 1989///
CY  - Nawala
PB  - Open University of Sri Lanka
ER  -