Thomas Godric P., . (1992). Kustharogam. Trivandrum: State Institute of langauages; Trivandrum.
Thomas Godric P.T, . 1992. Kustharogam. Trivandrum: State Institute of langauages; Trivandrum.
Thomas Godric P.T, . Kustharogam. Trivandrum: State Institute of langauages; Trivandrum. 1992.