TY  - BOOK
AU  - Sahjahan,Selina
AU  - Sahjahan,Tapan
TI  - Ekti kalyankar durghatana (On scientific inventions)
U1  - 500 19
PY  - 1986///
CY  - Dhaka
PB  - Muktadhara
KW  - Scientific discoveries
KW  - Spines
KW  - Scientific experiments
N1  - cse
N2  - Science - General
ER  -