Patham panchavalsara padhathi( 2002 - 2007): Thadhesabarana Sthapanagalude Padhathi Asoothranam -Vidhyabyasa megala 12
- Thiruvananthapuram Samstana asoothrana board 2002
- 97
- 12 .
338.95483 / PAT/V
338.95483 / PAT/V