TY  - BOOK
AU  - O.P Malhotra et.al
TI  - BHSEC Mathematics Book -I: For Class XI Students of Bhutan 
SN  - 8121932599 
PY  - 2010///
CY  - New Delhi
PB  - S.Chand
N1  - MAE502 and Mathematics Education
UR  - http://library.sce.edu.bt/cgi-bin/koha/opac-retrieve-file.pl?id=69de561c4ef809a3f7671bc0bff427d4
ER  -