Oru thulli vellam /
Vasu, K. K.
Oru thulli vellam / by K. K. Vasu - 2nd ed. - Thiruvananthapuram : Steps, 1978.
In Malayalam
Geology Watter
Oru thulli vellam / by K. K. Vasu - 2nd ed. - Thiruvananthapuram : Steps, 1978.
In Malayalam
Geology Watter