Unnithiri, N. V. P. (1979). Gaveshana prabandhangal.
Chicago Edition CitationUnnithiri, N V P. Gaveshana Prabandhangal. Kottayam, Sahithya Pravarthaka Co-operative Society Ltd, 1979.
MLA Edition CitationUnnithiri, N V P. Gaveshana Prabandhangal. 1979.
Warning: These citations may not always be 100% accurate.