Ayyappa Panicker K, . (1990). Tagorum Keralavum. Trivandrum: State Institute Languages; Trivandrum.
Ayyappa Panicker K, . 1990. Tagorum Keralavum. Trivandrum: State Institute Languages; Trivandrum.
Ayyappa Panicker K, . Tagorum Keralavum. Trivandrum: State Institute Languages; Trivandrum. 1990.