Sasthry A R, . (2009). Rekhasasthra Darpanam. : Devi book Stall ; Kodungallur.
Sasthry A R, . 2009. Rekhasasthra Darpanam. : Devi book Stall ; Kodungallur.
Sasthry A R, . Rekhasasthra Darpanam. : Devi book Stall ; Kodungallur. 2009.