Masanobu Fukuoka & Gangadharan C P. (1999). Otta vaikol viplavam (4th.). Alter Media.
Chicago Edition CitationMasanobu Fukuoka and Gangadharan C P. Otta Vaikol Viplavam. 4th. Thrissur: Alter Media, 1999.
MLA Edition CitationMasanobu Fukuoka and Gangadharan C P. Otta Vaikol Viplavam. 4th. Alter Media, 1999.
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