Malekandathil P. Ships, Navigation and Maritime Exchange Centres of Kerala: Channels of Civilizational Contacts (100 BC to 1500 AD). summerhill [Internet]. 2020Sep.1 [cited 2024Dec.23];10(1-2):42-55. Available from: http://14.139.58.200/ojs/index.php/summerhill/article/view/1019