Muttu Akaval. In: Muttuk Kaṇakku: Muttuk Kaṇakkatikāram eṉkiṟa Muttuk Kaṇakku. Vol. Book 1, Series 1. History Society Knowledge: வரலாறு சமூகம் சிந்தனை. Palm Leaf Press; 2024. Accessed April 12, 2025. https://palmleafpress.net/index.php/plp/catalog/book/12/chapter/98