Gangadharan ,Assan. (2006). Marma sastram. Prasanthi publishers.
Chicago Edition CitationGangadharan ,Assan. Marma Sastram. Thiruvananthapuram: Prasanthi publishers, 2006.
MLA Edition CitationGangadharan ,Assan. Marma Sastram. Prasanthi publishers, 2006.
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