Patham panchavalsara padhathi( 2002 - 2007): Thadhesabarana Sthapanagalude Padhathi Asoothranam- Vyavasaya vikasanam 11
- Thiruvanathapuram Samstana asoothrana board 2002
- 36
- 11 .
338.95483 / PAT/V
338.95483 / PAT/V