Narayana Menon, V. (1969). Madhyama vyayogam. Vallathol Granthalayam.
Chicago Edition CitationNarayana Menon, Vallathool. Madhyama Vyayogam. Vallathol Granthalayam, 1969.
MLA Edition CitationNarayana Menon, Vallathool. Madhyama Vyayogam. Vallathol Granthalayam, 1969.
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