TY  - BOOK
AU  - Parker,Sybil P.
TI  - McGraw-Hill Concise Encyclopaedia Of Science And Technology
U1  - 503 
PY  - 1982///
CY  - USA
PB  - McGraw-Hill 
KW  - Encyclopaedia
KW  - Science & Technology
KW  - বিশ্ববিদ্যা সংগ্রহ
ER  -