State Institute of Language. (1971). Ganitha-Bhoutika pattikakal. State Instititute of Languages.
Chicago Edition CitationState Institute of Language. Ganitha-Bhoutika Pattikakal. Thiruvananthapuram: State Instititute of Languages, 1971.
MLA Edition CitationState Institute of Language. Ganitha-Bhoutika Pattikakal. State Instititute of Languages, 1971.
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