Patham panchavalsara padhathi( 2002 - 2007): Thadhesabarana Sthapanagalude Padhathi Asoothranam- Pattikajathi pattikavarga vikasanam 15
- Thiruvanathapuram Samstana asoothrana board 2002
- 49
- 15 .
338.95483 / PAT/P
338.95483 / PAT/P