Mohana Kumar S., . (2003). Quiz Keralam. : SISO Publishers Pattam,,Thiruvananthapuram.
Mohana Kumar S, . 2003. Quiz Keralam. : SISO Publishers Pattam,,Thiruvananthapuram.
Mohana Kumar S, . Quiz Keralam. : SISO Publishers Pattam,,Thiruvananthapuram. 2003.