Samudra sastram /
Ummerkutty, N. N. P.
Samudra sastram / by N. N. P. Ummerkutty - 2nd ed. - Trivandrum : State Institute of Languages, 2008.
Science of oceans
In Malayalam
8176386618
Geography Oceanography
Samudra sastram / by N. N. P. Ummerkutty - 2nd ed. - Trivandrum : State Institute of Languages, 2008.
Science of oceans
In Malayalam
8176386618
Geography Oceanography