TY  - BOOK
AU  - Sarkar,Sachidulal
TI  - প্রকৃতির রহস্য সন্ধানে
U1  - 500 21st
PY  - 2007///
CY  - Durgapore : 
PB  - Pathshala Prakasan , 
KW  - PRAKITIR RAHASYA SANDHANE
KW  - SCIENCE
N1  - Includes index and bibliographical references
ER  -