S. J. Mangalam. (1997). Prachina bharathiya lipishasthravum malayala lipiyude vikasavum: (Ancient Indian palaeography and development of Malayalam scripts). State institute of languages.
Chicago Edition CitationS. J. Mangalam. Prachina Bharathiya Lipishasthravum Malayala Lipiyude Vikasavum: (Ancient Indian Palaeography and Development of Malayalam Scripts). TVM: State institute of languages, 1997.
MLA Edition CitationS. J. Mangalam. Prachina Bharathiya Lipishasthravum Malayala Lipiyude Vikasavum: (Ancient Indian Palaeography and Development of Malayalam Scripts). State institute of languages, 1997.
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