TY  - BOOK
AU  - Abad, Jenny
AU  - 
AU  - Series.
AU  - Gupta, Rekha
TI  - Children`s reference encyclopedia: inventions and discoveries 
SN  - 978-81-88
PB  - Young Learners Pub.
KW  - Inventions--Encyclopedias
KW  - Encyclopedias
ER  -