VELAYUDHAN PANIKKASSERY, . (1983). Aayiram Kadam Kadhakal. : National Book Stall Kottayam.
VELAYUDHAN PANIKKASSERY, . 1983. Aayiram Kadam Kadhakal. : National Book Stall Kottayam.
VELAYUDHAN PANIKKASSERY, . Aayiram Kadam Kadhakal. : National Book Stall Kottayam. 1983.